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Finding the Fourth Proportional to 365,613.30, 548,198.52 and 239,100.84

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Solution

The fourth proportional to 365,613.30, 548,198.52 and 239,100.84 is: 358,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,613.30 : 548,198.52 = 239,100.84 : x
  2. Step 2: Convert to fraction form
    365,613.30/548,198.52 = 239,100.84/x
  3. Step 3: Cross multiply
    365,613.30x = 548,198.52 × 239,100.84
  4. Step 4: Simplify right side
    365,613.30x = 131,074,726,618.76
  5. Step 5: Solve for x
    x = 131,074,726,618.76/365,613.30
  6. Step 6: Final answer
    x = 358,506.45

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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.