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Finding the Fourth Proportional to 383,169.66, 574,754.13 and 180,718.53

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Solution

The fourth proportional to 383,169.66, 574,754.13 and 180,718.53 is: 271,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,169.66 : 574,754.13 = 180,718.53 : x
  2. Step 2: Convert to fraction form
    383,169.66/574,754.13 = 180,718.53/x
  3. Step 3: Cross multiply
    383,169.66x = 574,754.13 × 180,718.53
  4. Step 4: Simplify right side
    383,169.66x = 103,868,719,329.70
  5. Step 5: Solve for x
    x = 103,868,719,329.70/383,169.66
  6. Step 6: Final answer
    x = 271,077.62

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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.