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Finding the Fourth Proportional to 408,601.31, 564,147.59 and 255,701.31

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Solution

The fourth proportional to 408,601.31, 564,147.59 and 255,701.31 is: 353,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,601.31 : 564,147.59 = 255,701.31 : x
  2. Step 2: Convert to fraction form
    408,601.31/564,147.59 = 255,701.31/x
  3. Step 3: Cross multiply
    408,601.31x = 564,147.59 × 255,701.31
  4. Step 4: Simplify right side
    408,601.31x = 144,253,274,402.28
  5. Step 5: Solve for x
    x = 144,253,274,402.28/408,601.31
  6. Step 6: Final answer
    x = 353,041.63

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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.