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Finding the Fourth Proportional to 404,691.14, 558,474.60 and 223,403.30

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Solution

The fourth proportional to 404,691.14, 558,474.60 and 223,403.30 is: 308,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,691.14 : 558,474.60 = 223,403.30 : x
  2. Step 2: Convert to fraction form
    404,691.14/558,474.60 = 223,403.30/x
  3. Step 3: Cross multiply
    404,691.14x = 558,474.60 × 223,403.30
  4. Step 4: Simplify right side
    404,691.14x = 124,765,069,845.27
  5. Step 5: Solve for x
    x = 124,765,069,845.27/404,691.14
  6. Step 6: Final answer
    x = 308,297.02

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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.