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Finding the Fourth Proportional to 273,864.75, 377,930.78 and 153,026.85

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Solution

The fourth proportional to 273,864.75, 377,930.78 and 153,026.85 is: 211,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,864.75 : 377,930.78 = 153,026.85 : x
  2. Step 2: Convert to fraction form
    273,864.75/377,930.78 = 153,026.85/x
  3. Step 3: Cross multiply
    273,864.75x = 377,930.78 × 153,026.85
  4. Step 4: Simplify right side
    273,864.75x = 57,833,556,016.31
  5. Step 5: Solve for x
    x = 57,833,556,016.31/273,864.75
  6. Step 6: Final answer
    x = 211,175.61

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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.