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Finding the Fourth Proportional to 376,061.97, 518,587.59 and 225,246.45

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Solution

The fourth proportional to 376,061.97, 518,587.59 and 225,246.45 is: 310,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,061.97 : 518,587.59 = 225,246.45 : x
  2. Step 2: Convert to fraction form
    376,061.97/518,587.59 = 225,246.45/x
  3. Step 3: Cross multiply
    376,061.97x = 518,587.59 × 225,246.45
  4. Step 4: Simplify right side
    376,061.97x = 116,810,013,661.56
  5. Step 5: Solve for x
    x = 116,810,013,661.56/376,061.97
  6. Step 6: Final answer
    x = 310,613.74

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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.