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Finding the Fourth Proportional to 344,064.56, 516,265.92 and 154,658.75

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Solution

The fourth proportional to 344,064.56, 516,265.92 and 154,658.75 is: 232,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,064.56 : 516,265.92 = 154,658.75 : x
  2. Step 2: Convert to fraction form
    344,064.56/516,265.92 = 154,658.75/x
  3. Step 3: Cross multiply
    344,064.56x = 516,265.92 × 154,658.75
  4. Step 4: Simplify right side
    344,064.56x = 79,845,039,273.47
  5. Step 5: Solve for x
    x = 79,845,039,273.47/344,064.56
  6. Step 6: Final answer
    x = 232,064.12

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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.