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Finding the Fourth Proportional to 324,063.90, 486,095.85 and 181,763.10

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Solution

The fourth proportional to 324,063.90, 486,095.85 and 181,763.10 is: 272,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,063.90 : 486,095.85 = 181,763.10 : x
  2. Step 2: Convert to fraction form
    324,063.90/486,095.85 = 181,763.10/x
  3. Step 3: Cross multiply
    324,063.90x = 486,095.85 × 181,763.10
  4. Step 4: Simplify right side
    324,063.90x = 88,354,288,593.14
  5. Step 5: Solve for x
    x = 88,354,288,593.14/324,063.90
  6. Step 6: Final answer
    x = 272,644.65

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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.