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Finding the Fourth Proportional to 568,061.80, 852,092.70 and 318,711.40

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Solution

The fourth proportional to 568,061.80, 852,092.70 and 318,711.40 is: 478,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,061.80 : 852,092.70 = 318,711.40 : x
  2. Step 2: Convert to fraction form
    568,061.80/852,092.70 = 318,711.40/x
  3. Step 3: Cross multiply
    568,061.80x = 852,092.70 × 318,711.40
  4. Step 4: Simplify right side
    568,061.80x = 271,571,657,346.78
  5. Step 5: Solve for x
    x = 271,571,657,346.78/568,061.80
  6. Step 6: Final answer
    x = 478,067.10

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Similar ratio
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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.