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Finding the Fourth Proportional to 208,545.70, 312,818.55 and 182,301.70

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Solution

The fourth proportional to 208,545.70, 312,818.55 and 182,301.70 is: 273,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,545.70 : 312,818.55 = 182,301.70 : x
  2. Step 2: Convert to fraction form
    208,545.70/312,818.55 = 182,301.70/x
  3. Step 3: Cross multiply
    208,545.70x = 312,818.55 × 182,301.70
  4. Step 4: Simplify right side
    208,545.70x = 57,027,353,456.54
  5. Step 5: Solve for x
    x = 57,027,353,456.54/208,545.70
  6. Step 6: Final answer
    x = 273,452.55

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1.5x scale

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.