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Finding the Fourth Proportional to 318,230.46, 439,169.31 and 175,001.40

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Solution

The fourth proportional to 318,230.46, 439,169.31 and 175,001.40 is: 241,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,230.46 : 439,169.31 = 175,001.40 : x
  2. Step 2: Convert to fraction form
    318,230.46/439,169.31 = 175,001.40/x
  3. Step 3: Cross multiply
    318,230.46x = 439,169.31 × 175,001.40
  4. Step 4: Simplify right side
    318,230.46x = 76,855,244,087.03
  5. Step 5: Solve for x
    x = 76,855,244,087.03/318,230.46
  6. Step 6: Final answer
    x = 241,508.13

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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.