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Finding the Fourth Proportional to 224,801.20, 337,201.80 and 206,430.40

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Solution

The fourth proportional to 224,801.20, 337,201.80 and 206,430.40 is: 309,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,801.20 : 337,201.80 = 206,430.40 : x
  2. Step 2: Convert to fraction form
    224,801.20/337,201.80 = 206,430.40/x
  3. Step 3: Cross multiply
    224,801.20x = 337,201.80 × 206,430.40
  4. Step 4: Simplify right side
    224,801.20x = 69,608,702,454.72
  5. Step 5: Solve for x
    x = 69,608,702,454.72/224,801.20
  6. Step 6: Final answer
    x = 309,645.60

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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.