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Finding the Fourth Proportional to 269,335.59, 371,406.94 and 177,478.84

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Solution

The fourth proportional to 269,335.59, 371,406.94 and 177,478.84 is: 244,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,335.59 : 371,406.94 = 177,478.84 : x
  2. Step 2: Convert to fraction form
    269,335.59/371,406.94 = 177,478.84/x
  3. Step 3: Cross multiply
    269,335.59x = 371,406.94 × 177,478.84
  4. Step 4: Simplify right side
    269,335.59x = 65,916,872,879.15
  5. Step 5: Solve for x
    x = 65,916,872,879.15/269,335.59
  6. Step 6: Final answer
    x = 244,738.81

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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.