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Finding the Fourth Proportional to 346,327.92, 519,439.92 and 109,639.92

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Solution

The fourth proportional to 346,327.92, 519,439.92 and 109,639.92 is: 164,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,327.92 : 519,439.92 = 109,639.92 : x
  2. Step 2: Convert to fraction form
    346,327.92/519,439.92 = 109,639.92/x
  3. Step 3: Cross multiply
    346,327.92x = 519,439.92 × 109,639.92
  4. Step 4: Simplify right side
    346,327.92x = 56,951,351,273.61
  5. Step 5: Solve for x
    x = 56,951,351,273.61/346,327.92
  6. Step 6: Final answer
    x = 164,443.43

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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.