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Finding the Fourth Proportional to 404,651.62, 558,419.33 and 223,363.62

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Solution

The fourth proportional to 404,651.62, 558,419.33 and 223,363.62 is: 308,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,651.62 : 558,419.33 = 223,363.62 : x
  2. Step 2: Convert to fraction form
    404,651.62/558,419.33 = 223,363.62/x
  3. Step 3: Cross multiply
    404,651.62x = 558,419.33 × 223,363.62
  4. Step 4: Simplify right side
    404,651.62x = 124,730,563,026.78
  5. Step 5: Solve for x
    x = 124,730,563,026.78/404,651.62
  6. Step 6: Final answer
    x = 308,241.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.