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Finding the Fourth Proportional to 229,489.60, 344,234.40 and 225,601.60

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Solution

The fourth proportional to 229,489.60, 344,234.40 and 225,601.60 is: 338,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,489.60 : 344,234.40 = 225,601.60 : x
  2. Step 2: Convert to fraction form
    229,489.60/344,234.40 = 225,601.60/x
  3. Step 3: Cross multiply
    229,489.60x = 344,234.40 × 225,601.60
  4. Step 4: Simplify right side
    229,489.60x = 77,659,831,415.04
  5. Step 5: Solve for x
    x = 77,659,831,415.04/229,489.60
  6. Step 6: Final answer
    x = 338,402.40

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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.