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Finding the Fourth Proportional to 367,064.60, 550,574.78 and 218,251.90

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Solution

The fourth proportional to 367,064.60, 550,574.78 and 218,251.90 is: 327,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,064.60 : 550,574.78 = 218,251.90 : x
  2. Step 2: Convert to fraction form
    367,064.60/550,574.78 = 218,251.90/x
  3. Step 3: Cross multiply
    367,064.60x = 550,574.78 × 218,251.90
  4. Step 4: Simplify right side
    367,064.60x = 120,163,991,827.08
  5. Step 5: Solve for x
    x = 120,163,991,827.08/367,064.60
  6. Step 6: Final answer
    x = 327,364.70

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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.