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Finding the Fourth Proportional to 404,170.55, 606,255.78 and 226,691.40

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Solution

The fourth proportional to 404,170.55, 606,255.78 and 226,691.40 is: 340,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,170.55 : 606,255.78 = 226,691.40 : x
  2. Step 2: Convert to fraction form
    404,170.55/606,255.78 = 226,691.40/x
  3. Step 3: Cross multiply
    404,170.55x = 606,255.78 × 226,691.40
  4. Step 4: Simplify right side
    404,170.55x = 137,432,971,526.29
  5. Step 5: Solve for x
    x = 137,432,971,526.29/404,170.55
  6. Step 6: Final answer
    x = 340,037.07

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1.5x scale

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.