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Finding the Fourth Proportional to 377,817.30, 566,593.65 and 111,507.30

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Solution

The fourth proportional to 377,817.30, 566,593.65 and 111,507.30 is: 167,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,817.30 : 566,593.65 = 111,507.30 : x
  2. Step 2: Convert to fraction form
    377,817.30/566,593.65 = 111,507.30/x
  3. Step 3: Cross multiply
    377,817.30x = 566,593.65 × 111,507.30
  4. Step 4: Simplify right side
    377,817.30x = 63,179,328,108.65
  5. Step 5: Solve for x
    x = 63,179,328,108.65/377,817.30
  6. Step 6: Final answer
    x = 167,221.90

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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.