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Finding the Fourth Proportional to 372,897.60, 514,422.36 and 252,081.24

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Solution

The fourth proportional to 372,897.60, 514,422.36 and 252,081.24 is: 347,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,897.60 : 514,422.36 = 252,081.24 : x
  2. Step 2: Convert to fraction form
    372,897.60/514,422.36 = 252,081.24/x
  3. Step 3: Cross multiply
    372,897.60x = 514,422.36 × 252,081.24
  4. Step 4: Simplify right side
    372,897.60x = 129,676,226,392.53
  5. Step 5: Solve for x
    x = 129,676,226,392.53/372,897.60
  6. Step 6: Final answer
    x = 347,752.91

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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.