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Finding the Fourth Proportional to 609,740.58, 914,443.20 and 254,695.71

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Solution

The fourth proportional to 609,740.58, 914,443.20 and 254,695.71 is: 381,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,740.58 : 914,443.20 = 254,695.71 : x
  2. Step 2: Convert to fraction form
    609,740.58/914,443.20 = 254,695.71/x
  3. Step 3: Cross multiply
    609,740.58x = 914,443.20 × 254,695.71
  4. Step 4: Simplify right side
    609,740.58x = 232,904,760,078.67
  5. Step 5: Solve for x
    x = 232,904,760,078.67/609,740.58
  6. Step 6: Final answer
    x = 381,973.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.