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Finding the Fourth Proportional to 346,331.32, 477,932.54 and 193,371.86

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Solution

The fourth proportional to 346,331.32, 477,932.54 and 193,371.86 is: 266,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,331.32 : 477,932.54 = 193,371.86 : x
  2. Step 2: Convert to fraction form
    346,331.32/477,932.54 = 193,371.86/x
  3. Step 3: Cross multiply
    346,331.32x = 477,932.54 × 193,371.86
  4. Step 4: Simplify right side
    346,331.32x = 92,418,704,442.30
  5. Step 5: Solve for x
    x = 92,418,704,442.30/346,331.32
  6. Step 6: Final answer
    x = 266,850.56

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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.