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Finding the Fourth Proportional to 418,363.04, 627,619.80 and 152,496.56

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Solution

The fourth proportional to 418,363.04, 627,619.80 and 152,496.56 is: 228,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,363.04 : 627,619.80 = 152,496.56 : x
  2. Step 2: Convert to fraction form
    418,363.04/627,619.80 = 152,496.56/x
  3. Step 3: Cross multiply
    418,363.04x = 627,619.80 × 152,496.56
  4. Step 4: Simplify right side
    418,363.04x = 95,709,860,487.89
  5. Step 5: Solve for x
    x = 95,709,860,487.89/418,363.04
  6. Step 6: Final answer
    x = 228,772.27

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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.