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Finding the Fourth Proportional to 375,499.57, 563,321.87 and 122,711.88

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Solution

The fourth proportional to 375,499.57, 563,321.87 and 122,711.88 is: 184,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,499.57 : 563,321.87 = 122,711.88 : x
  2. Step 2: Convert to fraction form
    375,499.57/563,321.87 = 122,711.88/x
  3. Step 3: Cross multiply
    375,499.57x = 563,321.87 × 122,711.88
  4. Step 4: Simplify right side
    375,499.57x = 69,126,285,712.82
  5. Step 5: Solve for x
    x = 69,126,285,712.82/375,499.57
  6. Step 6: Final answer
    x = 184,091.52

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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.