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Finding the Fourth Proportional to 222,778.60, 334,167.90 and 214,905.40

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Solution

The fourth proportional to 222,778.60, 334,167.90 and 214,905.40 is: 322,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,778.60 : 334,167.90 = 214,905.40 : x
  2. Step 2: Convert to fraction form
    222,778.60/334,167.90 = 214,905.40/x
  3. Step 3: Cross multiply
    222,778.60x = 334,167.90 × 214,905.40
  4. Step 4: Simplify right side
    222,778.60x = 71,814,486,216.66
  5. Step 5: Solve for x
    x = 71,814,486,216.66/222,778.60
  6. Step 6: Final answer
    x = 322,358.10

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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.