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Finding the Fourth Proportional to 418,700.57, 628,050.85 and 182,043.25

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Solution

The fourth proportional to 418,700.57, 628,050.85 and 182,043.25 is: 273,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,700.57 : 628,050.85 = 182,043.25 : x
  2. Step 2: Convert to fraction form
    418,700.57/628,050.85 = 182,043.25/x
  3. Step 3: Cross multiply
    418,700.57x = 628,050.85 × 182,043.25
  4. Step 4: Simplify right side
    418,700.57x = 114,332,415,874.03
  5. Step 5: Solve for x
    x = 114,332,415,874.03/418,700.57
  6. Step 6: Final answer
    x = 273,064.87

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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.