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Finding the Fourth Proportional to 344,465.38, 516,620.31 and 122,849.38

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Solution

The fourth proportional to 344,465.38, 516,620.31 and 122,849.38 is: 184,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,465.38 : 516,620.31 = 122,849.38 : x
  2. Step 2: Convert to fraction form
    344,465.38/516,620.31 = 122,849.38/x
  3. Step 3: Cross multiply
    344,465.38x = 516,620.31 × 122,849.38
  4. Step 4: Simplify right side
    344,465.38x = 63,466,484,778.91
  5. Step 5: Solve for x
    x = 63,466,484,778.91/344,465.38
  6. Step 6: Final answer
    x = 184,246.34

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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.