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Finding the Fourth Proportional to 344,327.70, 516,491.55 and 249,849.30

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Solution

The fourth proportional to 344,327.70, 516,491.55 and 249,849.30 is: 374,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,327.70 : 516,491.55 = 249,849.30 : x
  2. Step 2: Convert to fraction form
    344,327.70/516,491.55 = 249,849.30/x
  3. Step 3: Cross multiply
    344,327.70x = 516,491.55 × 249,849.30
  4. Step 4: Simplify right side
    344,327.70x = 129,045,052,223.42
  5. Step 5: Solve for x
    x = 129,045,052,223.42/344,327.70
  6. Step 6: Final answer
    x = 374,773.95

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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.