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Finding the Fourth Proportional to 569,654.92, 854,530.86 and 148,930.12

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Solution

The fourth proportional to 569,654.92, 854,530.86 and 148,930.12 is: 223,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,654.92 : 854,530.86 = 148,930.12 : x
  2. Step 2: Convert to fraction form
    569,654.92/854,530.86 = 148,930.12/x
  3. Step 3: Cross multiply
    569,654.92x = 854,530.86 × 148,930.12
  4. Step 4: Simplify right side
    569,654.92x = 127,265,383,523.50
  5. Step 5: Solve for x
    x = 127,265,383,523.50/569,654.92
  6. Step 6: Final answer
    x = 223,407.85

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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.