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Finding the Fourth Proportional to 502,589.69, 753,722.44 and 165,550.20

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Solution

The fourth proportional to 502,589.69, 753,722.44 and 165,550.20 is: 248,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,589.69 : 753,722.44 = 165,550.20 : x
  2. Step 2: Convert to fraction form
    502,589.69/753,722.44 = 165,550.20/x
  3. Step 3: Cross multiply
    502,589.69x = 753,722.44 × 165,550.20
  4. Step 4: Simplify right side
    502,589.69x = 124,778,904,271.30
  5. Step 5: Solve for x
    x = 124,778,904,271.30/502,589.69
  6. Step 6: Final answer
    x = 248,271.92

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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.