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Finding the Fourth Proportional to 532,489.76, 798,512.80 and 216,732.32

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Solution

The fourth proportional to 532,489.76, 798,512.80 and 216,732.32 is: 325,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,489.76 : 798,512.80 = 216,732.32 : x
  2. Step 2: Convert to fraction form
    532,489.76/798,512.80 = 216,732.32/x
  3. Step 3: Cross multiply
    532,489.76x = 798,512.80 × 216,732.32
  4. Step 4: Simplify right side
    532,489.76x = 173,063,531,693.70
  5. Step 5: Solve for x
    x = 173,063,531,693.70/532,489.76
  6. Step 6: Final answer
    x = 325,008.19

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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.