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Finding the Fourth Proportional to 367,095.55, 550,479.30 and 142,381.30

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Solution

The fourth proportional to 367,095.55, 550,479.30 and 142,381.30 is: 213,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,095.55 : 550,479.30 = 142,381.30 : x
  2. Step 2: Convert to fraction form
    367,095.55/550,479.30 = 142,381.30/x
  3. Step 3: Cross multiply
    367,095.55x = 550,479.30 × 142,381.30
  4. Step 4: Simplify right side
    367,095.55x = 78,377,958,357.09
  5. Step 5: Solve for x
    x = 78,377,958,357.09/367,095.55
  6. Step 6: Final answer
    x = 213,508.33

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1.5x scale

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.