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Finding the Fourth Proportional to 445,565.18, 614,912.49 and 254,574.47

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Solution

The fourth proportional to 445,565.18, 614,912.49 and 254,574.47 is: 351,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,565.18 : 614,912.49 = 254,574.47 : x
  2. Step 2: Convert to fraction form
    445,565.18/614,912.49 = 254,574.47/x
  3. Step 3: Cross multiply
    445,565.18x = 614,912.49 × 254,574.47
  4. Step 4: Simplify right side
    445,565.18x = 156,541,022,775.41
  5. Step 5: Solve for x
    x = 156,541,022,775.41/445,565.18
  6. Step 6: Final answer
    x = 351,331.36

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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.