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Finding the Fourth Proportional to 273,400.70, 410,101.05 and 251,282.30

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Solution

The fourth proportional to 273,400.70, 410,101.05 and 251,282.30 is: 376,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,400.70 : 410,101.05 = 251,282.30 : x
  2. Step 2: Convert to fraction form
    273,400.70/410,101.05 = 251,282.30/x
  3. Step 3: Cross multiply
    273,400.70x = 410,101.05 × 251,282.30
  4. Step 4: Simplify right side
    273,400.70x = 103,051,135,076.42
  5. Step 5: Solve for x
    x = 103,051,135,076.42/273,400.70
  6. Step 6: Final answer
    x = 376,923.45

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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.