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Finding the Fourth Proportional to 445,542.60, 614,703.15 and 284,449.80

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Solution

The fourth proportional to 445,542.60, 614,703.15 and 284,449.80 is: 392,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,542.60 : 614,703.15 = 284,449.80 : x
  2. Step 2: Convert to fraction form
    445,542.60/614,703.15 = 284,449.80/x
  3. Step 3: Cross multiply
    445,542.60x = 614,703.15 × 284,449.80
  4. Step 4: Simplify right side
    445,542.60x = 174,852,188,076.87
  5. Step 5: Solve for x
    x = 174,852,188,076.87/445,542.60
  6. Step 6: Final answer
    x = 392,447.74

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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.