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Finding the Fourth Proportional to 337,540.32, 465,586.16 and 216,489.87

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Solution

The fourth proportional to 337,540.32, 465,586.16 and 216,489.87 is: 298,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,540.32 : 465,586.16 = 216,489.87 : x
  2. Step 2: Convert to fraction form
    337,540.32/465,586.16 = 216,489.87/x
  3. Step 3: Cross multiply
    337,540.32x = 465,586.16 × 216,489.87
  4. Step 4: Simplify right side
    337,540.32x = 100,794,686,169.75
  5. Step 5: Solve for x
    x = 100,794,686,169.75/337,540.32
  6. Step 6: Final answer
    x = 298,615.25

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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.