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Finding the Fourth Proportional to 542,854.30, 813,892.65 and 227,148.70

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Solution

The fourth proportional to 542,854.30, 813,892.65 and 227,148.70 is: 340,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,854.30 : 813,892.65 = 227,148.70 : x
  2. Step 2: Convert to fraction form
    542,854.30/813,892.65 = 227,148.70/x
  3. Step 3: Cross multiply
    542,854.30x = 813,892.65 × 227,148.70
  4. Step 4: Simplify right side
    542,854.30x = 184,874,657,387.06
  5. Step 5: Solve for x
    x = 184,874,657,387.06/542,854.30
  6. Step 6: Final answer
    x = 340,560.36

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1.5x scale

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.