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Finding the Fourth Proportional to 616,489.92, 924,766.88 and 195,798.72

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Solution

The fourth proportional to 616,489.92, 924,766.88 and 195,798.72 is: 293,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,489.92 : 924,766.88 = 195,798.72 : x
  2. Step 2: Convert to fraction form
    616,489.92/924,766.88 = 195,798.72/x
  3. Step 3: Cross multiply
    616,489.92x = 924,766.88 × 195,798.72
  4. Step 4: Simplify right side
    616,489.92x = 181,068,171,402.39
  5. Step 5: Solve for x
    x = 181,068,171,402.39/616,489.92
  6. Step 6: Final answer
    x = 293,708.24

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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.