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Finding the Fourth Proportional to 344,231.87, 516,549.90 and 144,536.90

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Solution

The fourth proportional to 344,231.87, 516,549.90 and 144,536.90 is: 216,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,231.87 : 516,549.90 = 144,536.90 : x
  2. Step 2: Convert to fraction form
    344,231.87/516,549.90 = 144,536.90/x
  3. Step 3: Cross multiply
    344,231.87x = 516,549.90 × 144,536.90
  4. Step 4: Simplify right side
    344,231.87x = 74,660,521,241.31
  5. Step 5: Solve for x
    x = 74,660,521,241.31/344,231.87
  6. Step 6: Final answer
    x = 216,890.21

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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.