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Finding the Fourth Proportional to 568,139.88, 852,208.74 and 331,316.52

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Solution

The fourth proportional to 568,139.88, 852,208.74 and 331,316.52 is: 496,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,139.88 : 852,208.74 = 331,316.52 : x
  2. Step 2: Convert to fraction form
    568,139.88/852,208.74 = 331,316.52/x
  3. Step 3: Cross multiply
    568,139.88x = 852,208.74 × 331,316.52
  4. Step 4: Simplify right side
    568,139.88x = 282,350,834,050.39
  5. Step 5: Solve for x
    x = 282,350,834,050.39/568,139.88
  6. Step 6: Final answer
    x = 496,974.15

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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.