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Finding the Fourth Proportional to 423,552.16, 635,231.20 and 252,822.08

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Solution

The fourth proportional to 423,552.16, 635,231.20 and 252,822.08 is: 379,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,552.16 : 635,231.20 = 252,822.08 : x
  2. Step 2: Convert to fraction form
    423,552.16/635,231.20 = 252,822.08/x
  3. Step 3: Cross multiply
    423,552.16x = 635,231.20 × 252,822.08
  4. Step 4: Simplify right side
    423,552.16x = 160,600,473,264.90
  5. Step 5: Solve for x
    x = 160,600,473,264.90/423,552.16
  6. Step 6: Final answer
    x = 379,175.20

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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.