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Finding the Fourth Proportional to 543,053.54, 814,654.42 and 315,456.10

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Solution

The fourth proportional to 543,053.54, 814,654.42 and 315,456.10 is: 473,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,053.54 : 814,654.42 = 315,456.10 : x
  2. Step 2: Convert to fraction form
    543,053.54/814,654.42 = 315,456.10/x
  3. Step 3: Cross multiply
    543,053.54x = 814,654.42 × 315,456.10
  4. Step 4: Simplify right side
    543,053.54x = 256,987,706,180.96
  5. Step 5: Solve for x
    x = 256,987,706,180.96/543,053.54
  6. Step 6: Final answer
    x = 473,227.20

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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.