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Finding the Fourth Proportional to 442,168.65, 610,019.51 and 272,107.53

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Solution

The fourth proportional to 442,168.65, 610,019.51 and 272,107.53 is: 375,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,168.65 : 610,019.51 = 272,107.53 : x
  2. Step 2: Convert to fraction form
    442,168.65/610,019.51 = 272,107.53/x
  3. Step 3: Cross multiply
    442,168.65x = 610,019.51 × 272,107.53
  4. Step 4: Simplify right side
    442,168.65x = 165,990,900,757.37
  5. Step 5: Solve for x
    x = 165,990,900,757.37/442,168.65
  6. Step 6: Final answer
    x = 375,401.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.