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Finding the Fourth Proportional to 338,360.72, 466,726.56 and 217,659.36

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Solution

The fourth proportional to 338,360.72, 466,726.56 and 217,659.36 is: 300,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,360.72 : 466,726.56 = 217,659.36 : x
  2. Step 2: Convert to fraction form
    338,360.72/466,726.56 = 217,659.36/x
  3. Step 3: Cross multiply
    338,360.72x = 466,726.56 × 217,659.36
  4. Step 4: Simplify right side
    338,360.72x = 101,587,404,344.60
  5. Step 5: Solve for x
    x = 101,587,404,344.60/338,360.72
  6. Step 6: Final answer
    x = 300,234.04

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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.