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Finding the Fourth Proportional to 532,385.52, 798,617.28 and 153,290.88

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Solution

The fourth proportional to 532,385.52, 798,617.28 and 153,290.88 is: 229,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,385.52 : 798,617.28 = 153,290.88 : x
  2. Step 2: Convert to fraction form
    532,385.52/798,617.28 = 153,290.88/x
  3. Step 3: Cross multiply
    532,385.52x = 798,617.28 × 153,290.88
  4. Step 4: Simplify right side
    532,385.52x = 122,420,745,634.41
  5. Step 5: Solve for x
    x = 122,420,745,634.41/532,385.52
  6. Step 6: Final answer
    x = 229,947.55

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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.