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Finding the Fourth Proportional to 354,787.29, 532,336.83 and 186,268.46

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Solution

The fourth proportional to 354,787.29, 532,336.83 and 186,268.46 is: 279,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,787.29 : 532,336.83 = 186,268.46 : x
  2. Step 2: Convert to fraction form
    354,787.29/532,336.83 = 186,268.46/x
  3. Step 3: Cross multiply
    354,787.29x = 532,336.83 × 186,268.46
  4. Step 4: Simplify right side
    354,787.29x = 99,157,558,863.70
  5. Step 5: Solve for x
    x = 99,157,558,863.70/354,787.29
  6. Step 6: Final answer
    x = 279,484.53

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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.