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Finding the Fourth Proportional to 760,628, 1,049,626.73 and 416,397.94

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Solution

The fourth proportional to 760,628, 1,049,626.73 and 416,397.94 is: 574,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,628 : 1,049,626.73 = 416,397.94 : x
  2. Step 2: Convert to fraction form
    760,628/1,049,626.73 = 416,397.94/x
  3. Step 3: Cross multiply
    760,628x = 1,049,626.73 × 416,397.94
  4. Step 4: Simplify right side
    760,628x = 437,062,400,810.81
  5. Step 5: Solve for x
    x = 437,062,400,810.81/760,628
  6. Step 6: Final answer
    x = 574,607.30

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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.