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Finding the Fourth Proportional to 344,028.87, 516,108.31 and 154,484.82

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Solution

The fourth proportional to 344,028.87, 516,108.31 and 154,484.82 is: 231,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,028.87 : 516,108.31 = 154,484.82 : x
  2. Step 2: Convert to fraction form
    344,028.87/516,108.31 = 154,484.82/x
  3. Step 3: Cross multiply
    344,028.87x = 516,108.31 × 154,484.82
  4. Step 4: Simplify right side
    344,028.87x = 79,730,898,984.64
  5. Step 5: Solve for x
    x = 79,730,898,984.64/344,028.87
  6. Step 6: Final answer
    x = 231,756.42

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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.