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Finding the Fourth Proportional to 273,044.97, 409,567.10 and 126,970.38

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Solution

The fourth proportional to 273,044.97, 409,567.10 and 126,970.38 is: 190,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,044.97 : 409,567.10 = 126,970.38 : x
  2. Step 2: Convert to fraction form
    273,044.97/409,567.10 = 126,970.38/x
  3. Step 3: Cross multiply
    273,044.97x = 409,567.10 × 126,970.38
  4. Step 4: Simplify right side
    273,044.97x = 52,002,889,687.65
  5. Step 5: Solve for x
    x = 52,002,889,687.65/273,044.97
  6. Step 6: Final answer
    x = 190,455.40

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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.