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Finding the Fourth Proportional to 488,082.90, 732,056.85 and 151,355.10

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Solution

The fourth proportional to 488,082.90, 732,056.85 and 151,355.10 is: 227,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,082.90 : 732,056.85 = 151,355.10 : x
  2. Step 2: Convert to fraction form
    488,082.90/732,056.85 = 151,355.10/x
  3. Step 3: Cross multiply
    488,082.90x = 732,056.85 × 151,355.10
  4. Step 4: Simplify right side
    488,082.90x = 110,800,537,737.44
  5. Step 5: Solve for x
    x = 110,800,537,737.44/488,082.90
  6. Step 6: Final answer
    x = 227,011.72

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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.