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Finding the Fourth Proportional to 268,027.55, 403,967.87 and 231,034.11

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Solution

The fourth proportional to 268,027.55, 403,967.87 and 231,034.11 is: 348,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,027.55 : 403,967.87 = 231,034.11 : x
  2. Step 2: Convert to fraction form
    268,027.55/403,967.87 = 231,034.11/x
  3. Step 3: Cross multiply
    268,027.55x = 403,967.87 × 231,034.11
  4. Step 4: Simplify right side
    268,027.55x = 93,330,356,158.88
  5. Step 5: Solve for x
    x = 93,330,356,158.88/268,027.55
  6. Step 6: Final answer
    x = 348,211.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.