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Finding the Fourth Proportional to 539,532.48, 810,217.26 and 516,962.64

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Solution

The fourth proportional to 539,532.48, 810,217.26 and 516,962.64 is: 776,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,532.48 : 810,217.26 = 516,962.64 : x
  2. Step 2: Convert to fraction form
    539,532.48/810,217.26 = 516,962.64/x
  3. Step 3: Cross multiply
    539,532.48x = 810,217.26 × 516,962.64
  4. Step 4: Simplify right side
    539,532.48x = 418,852,053,703.17
  5. Step 5: Solve for x
    x = 418,852,053,703.17/539,532.48
  6. Step 6: Final answer
    x = 776,324.08

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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.