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Finding the Fourth Proportional to 225,904.60, 338,856.90 and 222,405.40

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Solution

The fourth proportional to 225,904.60, 338,856.90 and 222,405.40 is: 333,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,904.60 : 338,856.90 = 222,405.40 : x
  2. Step 2: Convert to fraction form
    225,904.60/338,856.90 = 222,405.40/x
  3. Step 3: Cross multiply
    225,904.60x = 338,856.90 × 222,405.40
  4. Step 4: Simplify right side
    225,904.60x = 75,363,604,387.26
  5. Step 5: Solve for x
    x = 75,363,604,387.26/225,904.60
  6. Step 6: Final answer
    x = 333,608.10

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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.