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Finding the Fourth Proportional to 542,585.60, 813,865.60 and 148,601.60

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Solution

The fourth proportional to 542,585.60, 813,865.60 and 148,601.60 is: 222,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,585.60 : 813,865.60 = 148,601.60 : x
  2. Step 2: Convert to fraction form
    542,585.60/813,865.60 = 148,601.60/x
  3. Step 3: Cross multiply
    542,585.60x = 813,865.60 × 148,601.60
  4. Step 4: Simplify right side
    542,585.60x = 120,941,730,344.96
  5. Step 5: Solve for x
    x = 120,941,730,344.96/542,585.60
  6. Step 6: Final answer
    x = 222,898.89

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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.