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Finding the Fourth Proportional to 263,657.59, 363,853.70 and 150,490.87

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Solution

The fourth proportional to 263,657.59, 363,853.70 and 150,490.87 is: 207,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,657.59 : 363,853.70 = 150,490.87 : x
  2. Step 2: Convert to fraction form
    263,657.59/363,853.70 = 150,490.87/x
  3. Step 3: Cross multiply
    263,657.59x = 363,853.70 × 150,490.87
  4. Step 4: Simplify right side
    263,657.59x = 54,756,659,865.72
  5. Step 5: Solve for x
    x = 54,756,659,865.72/263,657.59
  6. Step 6: Final answer
    x = 207,680.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.