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Finding the Fourth Proportional to 269,369.04, 404,053.55 and 255,899.64

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Solution

The fourth proportional to 269,369.04, 404,053.55 and 255,899.64 is: 383,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,369.04 : 404,053.55 = 255,899.64 : x
  2. Step 2: Convert to fraction form
    269,369.04/404,053.55 = 255,899.64/x
  3. Step 3: Cross multiply
    269,369.04x = 404,053.55 × 255,899.64
  4. Step 4: Simplify right side
    269,369.04x = 103,397,156,706.22
  5. Step 5: Solve for x
    x = 103,397,156,706.22/269,369.04
  6. Step 6: Final answer
    x = 383,849.45

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Double scale
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Similar ratio
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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.