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Finding the Fourth Proportional to 578,872.85, 868,230.45 and 152,372.96

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Solution

The fourth proportional to 578,872.85, 868,230.45 and 152,372.96 is: 228,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,872.85 : 868,230.45 = 152,372.96 : x
  2. Step 2: Convert to fraction form
    578,872.85/868,230.45 = 152,372.96/x
  3. Step 3: Cross multiply
    578,872.85x = 868,230.45 × 152,372.96
  4. Step 4: Simplify right side
    578,872.85x = 132,294,843,114.74
  5. Step 5: Solve for x
    x = 132,294,843,114.74/578,872.85
  6. Step 6: Final answer
    x = 228,538.69

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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.