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Finding the Fourth Proportional to 377,768.80, 566,653.20 and 218,117.80

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Solution

The fourth proportional to 377,768.80, 566,653.20 and 218,117.80 is: 327,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,768.80 : 566,653.20 = 218,117.80 : x
  2. Step 2: Convert to fraction form
    377,768.80/566,653.20 = 218,117.80/x
  3. Step 3: Cross multiply
    377,768.80x = 566,653.20 × 218,117.80
  4. Step 4: Simplify right side
    377,768.80x = 123,597,149,346.96
  5. Step 5: Solve for x
    x = 123,597,149,346.96/377,768.80
  6. Step 6: Final answer
    x = 327,176.70

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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.