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Finding the Fourth Proportional to 560,129.42, 840,526.38 and 524,665.47

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Solution

The fourth proportional to 560,129.42, 840,526.38 and 524,665.47 is: 787,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,129.42 : 840,526.38 = 524,665.47 : x
  2. Step 2: Convert to fraction form
    560,129.42/840,526.38 = 524,665.47/x
  3. Step 3: Cross multiply
    560,129.42x = 840,526.38 × 524,665.47
  4. Step 4: Simplify right side
    560,129.42x = 440,995,168,210.10
  5. Step 5: Solve for x
    x = 440,995,168,210.10/560,129.42
  6. Step 6: Final answer
    x = 787,309.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.