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Finding the Fourth Proportional to 418,361.04, 627,616.80 and 152,494.56

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Solution

The fourth proportional to 418,361.04, 627,616.80 and 152,494.56 is: 228,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,361.04 : 627,616.80 = 152,494.56 : x
  2. Step 2: Convert to fraction form
    418,361.04/627,616.80 = 152,494.56/x
  3. Step 3: Cross multiply
    418,361.04x = 627,616.80 × 152,494.56
  4. Step 4: Simplify right side
    418,361.04x = 95,708,147,764.61
  5. Step 5: Solve for x
    x = 95,708,147,764.61/418,361.04
  6. Step 6: Final answer
    x = 228,769.27

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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.