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Finding the Fourth Proportional to 445,543.92, 614,883.20 and 254,553.21

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Solution

The fourth proportional to 445,543.92, 614,883.20 and 254,553.21 is: 351,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,543.92 : 614,883.20 = 254,553.21 : x
  2. Step 2: Convert to fraction form
    445,543.92/614,883.20 = 254,553.21/x
  3. Step 3: Cross multiply
    445,543.92x = 614,883.20 × 254,553.21
  4. Step 4: Simplify right side
    445,543.92x = 156,520,491,062.31
  5. Step 5: Solve for x
    x = 156,520,491,062.31/445,543.92
  6. Step 6: Final answer
    x = 351,302.05

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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.