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Finding the Fourth Proportional to 222,799.60, 334,199.40 and 220,831.30

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Solution

The fourth proportional to 222,799.60, 334,199.40 and 220,831.30 is: 331,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,799.60 : 334,199.40 = 220,831.30 : x
  2. Step 2: Convert to fraction form
    222,799.60/334,199.40 = 220,831.30/x
  3. Step 3: Cross multiply
    222,799.60x = 334,199.40 × 220,831.30
  4. Step 4: Simplify right side
    222,799.60x = 73,801,687,961.22
  5. Step 5: Solve for x
    x = 73,801,687,961.22/222,799.60
  6. Step 6: Final answer
    x = 331,246.95

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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.