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Finding the Fourth Proportional to 445,539.70, 614,788.14 and 254,565.46

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Solution

The fourth proportional to 445,539.70, 614,788.14 and 254,565.46 is: 351,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,539.70 : 614,788.14 = 254,565.46 : x
  2. Step 2: Convert to fraction form
    445,539.70/614,788.14 = 254,565.46/x
  3. Step 3: Cross multiply
    445,539.70x = 614,788.14 × 254,565.46
  4. Step 4: Simplify right side
    445,539.70x = 156,503,825,661.64
  5. Step 5: Solve for x
    x = 156,503,825,661.64/445,539.70
  6. Step 6: Final answer
    x = 351,267.97

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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.