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Finding the Fourth Proportional to 222,436.20, 333,654.30 and 220,103.40

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Solution

The fourth proportional to 222,436.20, 333,654.30 and 220,103.40 is: 330,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,436.20 : 333,654.30 = 220,103.40 : x
  2. Step 2: Convert to fraction form
    222,436.20/333,654.30 = 220,103.40/x
  3. Step 3: Cross multiply
    222,436.20x = 333,654.30 × 220,103.40
  4. Step 4: Simplify right side
    222,436.20x = 73,438,445,854.62
  5. Step 5: Solve for x
    x = 73,438,445,854.62/222,436.20
  6. Step 6: Final answer
    x = 330,155.10

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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.