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Finding the Fourth Proportional to 228,206.80, 342,310.20 and 175,062.70

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Solution

The fourth proportional to 228,206.80, 342,310.20 and 175,062.70 is: 262,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,206.80 : 342,310.20 = 175,062.70 : x
  2. Step 2: Convert to fraction form
    228,206.80/342,310.20 = 175,062.70/x
  3. Step 3: Cross multiply
    228,206.80x = 342,310.20 × 175,062.70
  4. Step 4: Simplify right side
    228,206.80x = 59,925,747,849.54
  5. Step 5: Solve for x
    x = 59,925,747,849.54/228,206.80
  6. Step 6: Final answer
    x = 262,594.05

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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.