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Finding the Fourth Proportional to 662,013.76, 993,176.16 and 188,705.92

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Solution

The fourth proportional to 662,013.76, 993,176.16 and 188,705.92 is: 283,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,013.76 : 993,176.16 = 188,705.92 : x
  2. Step 2: Convert to fraction form
    662,013.76/993,176.16 = 188,705.92/x
  3. Step 3: Cross multiply
    662,013.76x = 993,176.16 × 188,705.92
  4. Step 4: Simplify right side
    662,013.76x = 187,418,220,994.87
  5. Step 5: Solve for x
    x = 187,418,220,994.87/662,013.76
  6. Step 6: Final answer
    x = 283,103.21

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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.