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Finding the Fourth Proportional to 227,805.60, 341,708.40 and 216,400.80

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Solution

The fourth proportional to 227,805.60, 341,708.40 and 216,400.80 is: 324,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,805.60 : 341,708.40 = 216,400.80 : x
  2. Step 2: Convert to fraction form
    227,805.60/341,708.40 = 216,400.80/x
  3. Step 3: Cross multiply
    227,805.60x = 341,708.40 × 216,400.80
  4. Step 4: Simplify right side
    227,805.60x = 73,945,971,126.72
  5. Step 5: Solve for x
    x = 73,945,971,126.72/227,805.60
  6. Step 6: Final answer
    x = 324,601.20

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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.