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Finding the Fourth Proportional to 575,173.32, 862,765.50 and 154,449.24

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Solution

The fourth proportional to 575,173.32, 862,765.50 and 154,449.24 is: 231,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,173.32 : 862,765.50 = 154,449.24 : x
  2. Step 2: Convert to fraction form
    575,173.32/862,765.50 = 154,449.24/x
  3. Step 3: Cross multiply
    575,173.32x = 862,765.50 × 154,449.24
  4. Step 4: Simplify right side
    575,173.32x = 133,253,475,773.22
  5. Step 5: Solve for x
    x = 133,253,475,773.22/575,173.32
  6. Step 6: Final answer
    x = 231,675.34

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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.