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Finding the Fourth Proportional to 222,419.60, 333,629.40 and 56,207.60

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Solution

The fourth proportional to 222,419.60, 333,629.40 and 56,207.60 is: 84,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,419.60 : 333,629.40 = 56,207.60 : x
  2. Step 2: Convert to fraction form
    222,419.60/333,629.40 = 56,207.60/x
  3. Step 3: Cross multiply
    222,419.60x = 333,629.40 × 56,207.60
  4. Step 4: Simplify right side
    222,419.60x = 18,752,507,863.44
  5. Step 5: Solve for x
    x = 18,752,507,863.44/222,419.60
  6. Step 6: Final answer
    x = 84,311.40

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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.