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Finding the Fourth Proportional to 532,319.58, 798,498 and 172,481.94

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Solution

The fourth proportional to 532,319.58, 798,498 and 172,481.94 is: 258,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,319.58 : 798,498 = 172,481.94 : x
  2. Step 2: Convert to fraction form
    532,319.58/798,498 = 172,481.94/x
  3. Step 3: Cross multiply
    532,319.58x = 798,498 × 172,481.94
  4. Step 4: Simplify right side
    532,319.58x = 137,726,484,126.12
  5. Step 5: Solve for x
    x = 137,726,484,126.12/532,319.58
  6. Step 6: Final answer
    x = 258,728.95

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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.