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Finding the Fourth Proportional to 269,668.10, 404,502.16 and 253,046.90

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Solution

The fourth proportional to 269,668.10, 404,502.16 and 253,046.90 is: 379,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,668.10 : 404,502.16 = 253,046.90 : x
  2. Step 2: Convert to fraction form
    269,668.10/404,502.16 = 253,046.90/x
  3. Step 3: Cross multiply
    269,668.10x = 404,502.16 × 253,046.90
  4. Step 4: Simplify right side
    269,668.10x = 102,358,017,631.30
  5. Step 5: Solve for x
    x = 102,358,017,631.30/269,668.10
  6. Step 6: Final answer
    x = 379,570.36

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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.