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Finding the Fourth Proportional to 313,474.28, 432,599.52 and 177,504.56

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Solution

The fourth proportional to 313,474.28, 432,599.52 and 177,504.56 is: 244,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,474.28 : 432,599.52 = 177,504.56 : x
  2. Step 2: Convert to fraction form
    313,474.28/432,599.52 = 177,504.56/x
  3. Step 3: Cross multiply
    313,474.28x = 432,599.52 × 177,504.56
  4. Step 4: Simplify right side
    313,474.28x = 76,788,387,453.81
  5. Step 5: Solve for x
    x = 76,788,387,453.81/313,474.28
  6. Step 6: Final answer
    x = 244,959.13

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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.