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Finding the Fourth Proportional to 760,612.24, 1,049,603.24 and 416,381.60

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Solution

The fourth proportional to 760,612.24, 1,049,603.24 and 416,381.60 is: 574,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,612.24 : 1,049,603.24 = 416,381.60 : x
  2. Step 2: Convert to fraction form
    760,612.24/1,049,603.24 = 416,381.60/x
  3. Step 3: Cross multiply
    760,612.24x = 1,049,603.24 × 416,381.60
  4. Step 4: Simplify right side
    760,612.24x = 437,035,476,436.38
  5. Step 5: Solve for x
    x = 437,035,476,436.38/760,612.24
  6. Step 6: Final answer
    x = 574,583.81

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Half scale
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Double scale
Find fourth proportional to 760,613.24, 1,049,604.62 and 416,382.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.