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Finding the Fourth Proportional to 542,603.60, 813,892.60 and 148,619.60

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Solution

The fourth proportional to 542,603.60, 813,892.60 and 148,619.60 is: 222,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,603.60 : 813,892.60 = 148,619.60 : x
  2. Step 2: Convert to fraction form
    542,603.60/813,892.60 = 148,619.60/x
  3. Step 3: Cross multiply
    542,603.60x = 813,892.60 × 148,619.60
  4. Step 4: Simplify right side
    542,603.60x = 120,960,392,654.96
  5. Step 5: Solve for x
    x = 120,960,392,654.96/542,603.60
  6. Step 6: Final answer
    x = 222,925.89

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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.