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Finding the Fourth Proportional to 273,138.89, 376,992.02 and 177,479.51

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Solution

The fourth proportional to 273,138.89, 376,992.02 and 177,479.51 is: 244,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,138.89 : 376,992.02 = 177,479.51 : x
  2. Step 2: Convert to fraction form
    273,138.89/376,992.02 = 177,479.51/x
  3. Step 3: Cross multiply
    273,138.89x = 376,992.02 × 177,479.51
  4. Step 4: Simplify right side
    273,138.89x = 66,908,357,542.25
  5. Step 5: Solve for x
    x = 66,908,357,542.25/273,138.89
  6. Step 6: Final answer
    x = 244,960.94

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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.