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Finding the Fourth Proportional to 365,933.70, 548,619.15 and 185,871.18

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Solution

The fourth proportional to 365,933.70, 548,619.15 and 185,871.18 is: 278,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,933.70 : 548,619.15 = 185,871.18 : x
  2. Step 2: Convert to fraction form
    365,933.70/548,619.15 = 185,871.18/x
  3. Step 3: Cross multiply
    365,933.70x = 548,619.15 × 185,871.18
  4. Step 4: Simplify right side
    365,933.70x = 101,972,488,781.10
  5. Step 5: Solve for x
    x = 101,972,488,781.10/365,933.70
  6. Step 6: Final answer
    x = 278,663.84

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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.