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Finding the Fourth Proportional to 225,975.60, 338,963.40 and 200,606.40

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Solution

The fourth proportional to 225,975.60, 338,963.40 and 200,606.40 is: 300,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975.60 : 338,963.40 = 200,606.40 : x
  2. Step 2: Convert to fraction form
    225,975.60/338,963.40 = 200,606.40/x
  3. Step 3: Cross multiply
    225,975.60x = 338,963.40 × 200,606.40
  4. Step 4: Simplify right side
    225,975.60x = 67,998,227,405.76
  5. Step 5: Solve for x
    x = 67,998,227,405.76/225,975.60
  6. Step 6: Final answer
    x = 300,909.60

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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.