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Finding the Fourth Proportional to 603,941.62, 905,248.13 and 248,761.88

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Solution

The fourth proportional to 603,941.62, 905,248.13 and 248,761.88 is: 372,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,941.62 : 905,248.13 = 248,761.88 : x
  2. Step 2: Convert to fraction form
    603,941.62/905,248.13 = 248,761.88/x
  3. Step 3: Cross multiply
    603,941.62x = 905,248.13 × 248,761.88
  4. Step 4: Simplify right side
    603,941.62x = 225,191,226,685.28
  5. Step 5: Solve for x
    x = 225,191,226,685.28/603,941.62
  6. Step 6: Final answer
    x = 372,869.20

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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.