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Finding the Fourth Proportional to 760,340.82, 1,049,267.57 and 411,480.54

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Solution

The fourth proportional to 760,340.82, 1,049,267.57 and 411,480.54 is: 567,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,340.82 : 1,049,267.57 = 411,480.54 : x
  2. Step 2: Convert to fraction form
    760,340.82/1,049,267.57 = 411,480.54/x
  3. Step 3: Cross multiply
    760,340.82x = 1,049,267.57 × 411,480.54
  4. Step 4: Simplify right side
    760,340.82x = 431,753,180,033.05
  5. Step 5: Solve for x
    x = 431,753,180,033.05/760,340.82
  6. Step 6: Final answer
    x = 567,841.64

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Double scale
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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.