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Finding the Fourth Proportional to 547,470.24, 750,021.63 and 527,001.97

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Solution

The fourth proportional to 547,470.24, 750,021.63 and 527,001.97 is: 721,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,470.24 : 750,021.63 = 527,001.97 : x
  2. Step 2: Convert to fraction form
    547,470.24/750,021.63 = 527,001.97/x
  3. Step 3: Cross multiply
    547,470.24x = 750,021.63 × 527,001.97
  4. Step 4: Simplify right side
    547,470.24x = 395,262,876,552.61
  5. Step 5: Solve for x
    x = 395,262,876,552.61/547,470.24
  6. Step 6: Final answer
    x = 721,980.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.