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Finding the Fourth Proportional to 437,964.10, 656,492.55 and 237,861.70

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Solution

The fourth proportional to 437,964.10, 656,492.55 and 237,861.70 is: 356,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,964.10 : 656,492.55 = 237,861.70 : x
  2. Step 2: Convert to fraction form
    437,964.10/656,492.55 = 237,861.70/x
  3. Step 3: Cross multiply
    437,964.10x = 656,492.55 × 237,861.70
  4. Step 4: Simplify right side
    437,964.10x = 156,154,433,980.34
  5. Step 5: Solve for x
    x = 156,154,433,980.34/437,964.10
  6. Step 6: Final answer
    x = 356,546.20

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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.