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Finding the Fourth Proportional to 663,201.10, 994,874.55 and 242,568.10

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Solution

The fourth proportional to 663,201.10, 994,874.55 and 242,568.10 is: 363,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,201.10 : 994,874.55 = 242,568.10 : x
  2. Step 2: Convert to fraction form
    663,201.10/994,874.55 = 242,568.10/x
  3. Step 3: Cross multiply
    663,201.10x = 994,874.55 × 242,568.10
  4. Step 4: Simplify right side
    663,201.10x = 241,324,829,331.86
  5. Step 5: Solve for x
    x = 241,324,829,331.86/663,201.10
  6. Step 6: Final answer
    x = 363,878.81

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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.