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Finding the Fourth Proportional to 575,375.75, 863,062.38 and 154,651.62

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Solution

The fourth proportional to 575,375.75, 863,062.38 and 154,651.62 is: 231,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,375.75 : 863,062.38 = 154,651.62 : x
  2. Step 2: Convert to fraction form
    575,375.75/863,062.38 = 154,651.62/x
  3. Step 3: Cross multiply
    575,375.75x = 863,062.38 × 154,651.62
  4. Step 4: Simplify right side
    575,375.75x = 133,473,995,228.06
  5. Step 5: Solve for x
    x = 133,473,995,228.06/575,375.75
  6. Step 6: Final answer
    x = 231,977.10

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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.