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Finding the Fourth Proportional to 269,088.40, 403,939.80 and 158,342.80

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Solution

The fourth proportional to 269,088.40, 403,939.80 and 158,342.80 is: 237,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,088.40 : 403,939.80 = 158,342.80 : x
  2. Step 2: Convert to fraction form
    269,088.40/403,939.80 = 158,342.80/x
  3. Step 3: Cross multiply
    269,088.40x = 403,939.80 × 158,342.80
  4. Step 4: Simplify right side
    269,088.40x = 63,960,958,963.44
  5. Step 5: Solve for x
    x = 63,960,958,963.44/269,088.40
  6. Step 6: Final answer
    x = 237,694.97

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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.