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Finding the Fourth Proportional to 404,372.75, 558,034.40 and 225,524.75

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Solution

The fourth proportional to 404,372.75, 558,034.40 and 225,524.75 is: 311,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,372.75 : 558,034.40 = 225,524.75 : x
  2. Step 2: Convert to fraction form
    404,372.75/558,034.40 = 225,524.75/x
  3. Step 3: Cross multiply
    404,372.75x = 558,034.40 × 225,524.75
  4. Step 4: Simplify right side
    404,372.75x = 125,850,567,423.78
  5. Step 5: Solve for x
    x = 125,850,567,423.78/404,372.75
  6. Step 6: Final answer
    x = 311,224.16

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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.