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Finding the Fourth Proportional to 637,901.52, 881,255.88 and 515,210.82

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Solution

The fourth proportional to 637,901.52, 881,255.88 and 515,210.82 is: 711,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,901.52 : 881,255.88 = 515,210.82 : x
  2. Step 2: Convert to fraction form
    637,901.52/881,255.88 = 515,210.82/x
  3. Step 3: Cross multiply
    637,901.52x = 881,255.88 × 515,210.82
  4. Step 4: Simplify right side
    637,901.52x = 454,032,564,564.62
  5. Step 5: Solve for x
    x = 454,032,564,564.62/637,901.52
  6. Step 6: Final answer
    x = 711,759.65

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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.