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Finding the Fourth Proportional to 437,388.70, 656,082.78 and 337,694.44

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Solution

The fourth proportional to 437,388.70, 656,082.78 and 337,694.44 is: 506,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,388.70 : 656,082.78 = 337,694.44 : x
  2. Step 2: Convert to fraction form
    437,388.70/656,082.78 = 337,694.44/x
  3. Step 3: Cross multiply
    437,388.70x = 656,082.78 × 337,694.44
  4. Step 4: Simplify right side
    437,388.70x = 221,555,506,985.74
  5. Step 5: Solve for x
    x = 221,555,506,985.74/437,388.70
  6. Step 6: Final answer
    x = 506,541.45

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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.