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Finding the Fourth Proportional to 437,082.64, 655,935 and 337,342.48

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Solution

The fourth proportional to 437,082.64, 655,935 and 337,342.48 is: 506,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,082.64 : 655,935 = 337,342.48 : x
  2. Step 2: Convert to fraction form
    437,082.64/655,935 = 337,342.48/x
  3. Step 3: Cross multiply
    437,082.64x = 655,935 × 337,342.48
  4. Step 4: Simplify right side
    437,082.64x = 221,274,739,618.80
  5. Step 5: Solve for x
    x = 221,274,739,618.80/437,082.64
  6. Step 6: Final answer
    x = 506,253.78

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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.