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Finding the Fourth Proportional to 691,371.28, 954,169.32 and 436,710.16

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Solution

The fourth proportional to 691,371.28, 954,169.32 and 436,710.16 is: 602,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,371.28 : 954,169.32 = 436,710.16 : x
  2. Step 2: Convert to fraction form
    691,371.28/954,169.32 = 436,710.16/x
  3. Step 3: Cross multiply
    691,371.28x = 954,169.32 × 436,710.16
  4. Step 4: Simplify right side
    691,371.28x = 416,695,436,404.29
  5. Step 5: Solve for x
    x = 416,695,436,404.29/691,371.28
  6. Step 6: Final answer
    x = 602,708.63

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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.