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Finding the Fourth Proportional to 546,016.68, 814,753.51 and 489,279.02

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Solution

The fourth proportional to 546,016.68, 814,753.51 and 489,279.02 is: 730,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,016.68 : 814,753.51 = 489,279.02 : x
  2. Step 2: Convert to fraction form
    546,016.68/814,753.51 = 489,279.02/x
  3. Step 3: Cross multiply
    546,016.68x = 814,753.51 × 489,279.02
  4. Step 4: Simplify right side
    546,016.68x = 398,641,793,617.40
  5. Step 5: Solve for x
    x = 398,641,793,617.40/546,016.68
  6. Step 6: Final answer
    x = 730,090.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.