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Finding the Fourth Proportional to 375,939.90, 563,879.97 and 151,141.86

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Solution

The fourth proportional to 375,939.90, 563,879.97 and 151,141.86 is: 226,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,939.90 : 563,879.97 = 151,141.86 : x
  2. Step 2: Convert to fraction form
    375,939.90/563,879.97 = 151,141.86/x
  3. Step 3: Cross multiply
    375,939.90x = 563,879.97 × 151,141.86
  4. Step 4: Simplify right side
    375,939.90x = 85,225,867,482.54
  5. Step 5: Solve for x
    x = 85,225,867,482.54/375,939.90
  6. Step 6: Final answer
    x = 226,700.78

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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.