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Finding the Fourth Proportional to 575,157.11, 862,151.24 and 238,380.98

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Solution

The fourth proportional to 575,157.11, 862,151.24 and 238,380.98 is: 357,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,157.11 : 862,151.24 = 238,380.98 : x
  2. Step 2: Convert to fraction form
    575,157.11/862,151.24 = 238,380.98/x
  3. Step 3: Cross multiply
    575,157.11x = 862,151.24 × 238,380.98
  4. Step 4: Simplify right side
    575,157.11x = 205,520,453,784.61
  5. Step 5: Solve for x
    x = 205,520,453,784.61/575,157.11
  6. Step 6: Final answer
    x = 357,329.24

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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.