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Finding the Fourth Proportional to 337,709.64, 506,635.14 and 127,346.04

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Solution

The fourth proportional to 337,709.64, 506,635.14 and 127,346.04 is: 191,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,709.64 : 506,635.14 = 127,346.04 : x
  2. Step 2: Convert to fraction form
    337,709.64/506,635.14 = 127,346.04/x
  3. Step 3: Cross multiply
    337,709.64x = 506,635.14 × 127,346.04
  4. Step 4: Simplify right side
    337,709.64x = 64,517,978,803.85
  5. Step 5: Solve for x
    x = 64,517,978,803.85/337,709.64
  6. Step 6: Final answer
    x = 191,045.71

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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.