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Finding the Fourth Proportional to 532,061.10, 734,259.92 and 290,359.26

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Solution

The fourth proportional to 532,061.10, 734,259.92 and 290,359.26 is: 400,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,061.10 : 734,259.92 = 290,359.26 : x
  2. Step 2: Convert to fraction form
    532,061.10/734,259.92 = 290,359.26/x
  3. Step 3: Cross multiply
    532,061.10x = 734,259.92 × 290,359.26
  4. Step 4: Simplify right side
    532,061.10x = 213,199,165,567.06
  5. Step 5: Solve for x
    x = 213,199,165,567.06/532,061.10
  6. Step 6: Final answer
    x = 400,704.29

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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.