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Finding the Fourth Proportional to 225,280.80, 337,921.20 and 223,725.60

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Solution

The fourth proportional to 225,280.80, 337,921.20 and 223,725.60 is: 335,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,280.80 : 337,921.20 = 223,725.60 : x
  2. Step 2: Convert to fraction form
    225,280.80/337,921.20 = 223,725.60/x
  3. Step 3: Cross multiply
    225,280.80x = 337,921.20 × 223,725.60
  4. Step 4: Simplify right side
    225,280.80x = 75,601,623,222.72
  5. Step 5: Solve for x
    x = 75,601,623,222.72/225,280.80
  6. Step 6: Final answer
    x = 335,588.40

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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.