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Finding the Fourth Proportional to 418,596.90, 627,515.58 and 152,169.24

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Solution

The fourth proportional to 418,596.90, 627,515.58 and 152,169.24 is: 228,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,596.90 : 627,515.58 = 152,169.24 : x
  2. Step 2: Convert to fraction form
    418,596.90/627,515.58 = 152,169.24/x
  3. Step 3: Cross multiply
    418,596.90x = 627,515.58 × 152,169.24
  4. Step 4: Simplify right side
    418,596.90x = 95,488,568,896.76
  5. Step 5: Solve for x
    x = 95,488,568,896.76/418,596.90
  6. Step 6: Final answer
    x = 228,115.81

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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.