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Finding the Fourth Proportional to 527,091.20, 788,793.60 and 482,854.40

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Solution

The fourth proportional to 527,091.20, 788,793.60 and 482,854.40 is: 722,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,091.20 : 788,793.60 = 482,854.40 : x
  2. Step 2: Convert to fraction form
    527,091.20/788,793.60 = 482,854.40/x
  3. Step 3: Cross multiply
    527,091.20x = 788,793.60 × 482,854.40
  4. Step 4: Simplify right side
    527,091.20x = 380,872,460,451.84
  5. Step 5: Solve for x
    x = 380,872,460,451.84/527,091.20
  6. Step 6: Final answer
    x = 722,593.09

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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.