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Finding the Fourth Proportional to 325,532.80, 488,299.20 and 273,044.80

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Solution

The fourth proportional to 325,532.80, 488,299.20 and 273,044.80 is: 409,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,532.80 : 488,299.20 = 273,044.80 : x
  2. Step 2: Convert to fraction form
    325,532.80/488,299.20 = 273,044.80/x
  3. Step 3: Cross multiply
    325,532.80x = 488,299.20 × 273,044.80
  4. Step 4: Simplify right side
    325,532.80x = 133,327,557,404.16
  5. Step 5: Solve for x
    x = 133,327,557,404.16/325,532.80
  6. Step 6: Final answer
    x = 409,567.20

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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.