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Finding the Fourth Proportional to 546,021.68, 814,760.96 and 489,284.02

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Solution

The fourth proportional to 546,021.68, 814,760.96 and 489,284.02 is: 730,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,021.68 : 814,760.96 = 489,284.02 : x
  2. Step 2: Convert to fraction form
    546,021.68/814,760.96 = 489,284.02/x
  3. Step 3: Cross multiply
    546,021.68x = 814,760.96 × 489,284.02
  4. Step 4: Simplify right side
    546,021.68x = 398,649,517,847.86
  5. Step 5: Solve for x
    x = 398,649,517,847.86/546,021.68
  6. Step 6: Final answer
    x = 730,098.33

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1.5x scale

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.