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Finding the Fourth Proportional to 375,704.01, 563,642.42 and 122,992.65

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Solution

The fourth proportional to 375,704.01, 563,642.42 and 122,992.65 is: 184,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,704.01 : 563,642.42 = 122,992.65 : x
  2. Step 2: Convert to fraction form
    375,704.01/563,642.42 = 122,992.65/x
  3. Step 3: Cross multiply
    375,704.01x = 563,642.42 × 122,992.65
  4. Step 4: Simplify right side
    375,704.01x = 69,323,874,273.25
  5. Step 5: Solve for x
    x = 69,323,874,273.25/375,704.01
  6. Step 6: Final answer
    x = 184,517.26

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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.