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Finding the Fourth Proportional to 527,433.75, 791,281.85 and 153,456.75

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Solution

The fourth proportional to 527,433.75, 791,281.85 and 153,456.75 is: 230,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,433.75 : 791,281.85 = 153,456.75 : x
  2. Step 2: Convert to fraction form
    527,433.75/791,281.85 = 153,456.75/x
  3. Step 3: Cross multiply
    527,433.75x = 791,281.85 × 153,456.75
  4. Step 4: Simplify right side
    527,433.75x = 121,427,540,267.70
  5. Step 5: Solve for x
    x = 121,427,540,267.70/527,433.75
  6. Step 6: Final answer
    x = 230,223.30

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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.