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Finding the Fourth Proportional to 392,307.41, 541,368.29 and 222,537.89

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Solution

The fourth proportional to 392,307.41, 541,368.29 and 222,537.89 is: 307,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,307.41 : 541,368.29 = 222,537.89 : x
  2. Step 2: Convert to fraction form
    392,307.41/541,368.29 = 222,537.89/x
  3. Step 3: Cross multiply
    392,307.41x = 541,368.29 × 222,537.89
  4. Step 4: Simplify right side
    392,307.41x = 120,474,955,856.82
  5. Step 5: Solve for x
    x = 120,474,955,856.82/392,307.41
  6. Step 6: Final answer
    x = 307,093.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.