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Finding the Fourth Proportional to 273,463.80, 410,195.70 and 203,479.80

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Solution

The fourth proportional to 273,463.80, 410,195.70 and 203,479.80 is: 305,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,463.80 : 410,195.70 = 203,479.80 : x
  2. Step 2: Convert to fraction form
    273,463.80/410,195.70 = 203,479.80/x
  3. Step 3: Cross multiply
    273,463.80x = 410,195.70 × 203,479.80
  4. Step 4: Simplify right side
    273,463.80x = 83,466,538,996.86
  5. Step 5: Solve for x
    x = 83,466,538,996.86/273,463.80
  6. Step 6: Final answer
    x = 305,219.70

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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.