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Finding the Fourth Proportional to 337,248.69, 465,609.65 and 321,064.20

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Solution

The fourth proportional to 337,248.69, 465,609.65 and 321,064.20 is: 443,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,248.69 : 465,609.65 = 321,064.20 : x
  2. Step 2: Convert to fraction form
    337,248.69/465,609.65 = 321,064.20/x
  3. Step 3: Cross multiply
    337,248.69x = 465,609.65 × 321,064.20
  4. Step 4: Simplify right side
    337,248.69x = 149,490,589,789.53
  5. Step 5: Solve for x
    x = 149,490,589,789.53/337,248.69
  6. Step 6: Final answer
    x = 443,265.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.