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Finding the Fourth Proportional to 441,695.61, 662,589.42 and 121,847.52

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Solution

The fourth proportional to 441,695.61, 662,589.42 and 121,847.52 is: 182,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,695.61 : 662,589.42 = 121,847.52 : x
  2. Step 2: Convert to fraction form
    441,695.61/662,589.42 = 121,847.52/x
  3. Step 3: Cross multiply
    441,695.61x = 662,589.42 × 121,847.52
  4. Step 4: Simplify right side
    441,695.61x = 80,734,877,605.24
  5. Step 5: Solve for x
    x = 80,734,877,605.24/441,695.61
  6. Step 6: Final answer
    x = 182,783.97

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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.