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Finding the Fourth Proportional to 357,056.43, 535,229.85 and 179,020.05

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Solution

The fourth proportional to 357,056.43, 535,229.85 and 179,020.05 is: 268,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,056.43 : 535,229.85 = 179,020.05 : x
  2. Step 2: Convert to fraction form
    357,056.43/535,229.85 = 179,020.05/x
  3. Step 3: Cross multiply
    357,056.43x = 535,229.85 × 179,020.05
  4. Step 4: Simplify right side
    357,056.43x = 95,816,874,508.49
  5. Step 5: Solve for x
    x = 95,816,874,508.49/357,056.43
  6. Step 6: Final answer
    x = 268,352.19

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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.