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Finding the Fourth Proportional to 502,694.72, 754,022.40 and 170,270.72

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Solution

The fourth proportional to 502,694.72, 754,022.40 and 170,270.72 is: 255,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,694.72 : 754,022.40 = 170,270.72 : x
  2. Step 2: Convert to fraction form
    502,694.72/754,022.40 = 170,270.72/x
  3. Step 3: Cross multiply
    502,694.72x = 754,022.40 × 170,270.72
  4. Step 4: Simplify right side
    502,694.72x = 128,387,936,944.13
  5. Step 5: Solve for x
    x = 128,387,936,944.13/502,694.72
  6. Step 6: Final answer
    x = 255,399.41

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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.