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Finding the Fourth Proportional to 573,642.60, 860,509.44 and 174,318.24

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Solution

The fourth proportional to 573,642.60, 860,509.44 and 174,318.24 is: 261,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,642.60 : 860,509.44 = 174,318.24 : x
  2. Step 2: Convert to fraction form
    573,642.60/860,509.44 = 174,318.24/x
  3. Step 3: Cross multiply
    573,642.60x = 860,509.44 × 174,318.24
  4. Step 4: Simplify right side
    573,642.60x = 150,002,491,084.19
  5. Step 5: Solve for x
    x = 150,002,491,084.19/573,642.60
  6. Step 6: Final answer
    x = 261,491.20

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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.