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Finding the Fourth Proportional to 416,884.62, 625,173.75 and 143,253.23

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Solution

The fourth proportional to 416,884.62, 625,173.75 and 143,253.23 is: 214,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,884.62 : 625,173.75 = 143,253.23 : x
  2. Step 2: Convert to fraction form
    416,884.62/625,173.75 = 143,253.23/x
  3. Step 3: Cross multiply
    416,884.62x = 625,173.75 × 143,253.23
  4. Step 4: Simplify right side
    416,884.62x = 89,558,156,410.04
  5. Step 5: Solve for x
    x = 89,558,156,410.04/416,884.62
  6. Step 6: Final answer
    x = 214,827.20

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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.