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Finding the Fourth Proportional to 313,261.52, 432,294.45 and 177,293.03

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Solution

The fourth proportional to 313,261.52, 432,294.45 and 177,293.03 is: 244,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,261.52 : 432,294.45 = 177,293.03 : x
  2. Step 2: Convert to fraction form
    313,261.52/432,294.45 = 177,293.03/x
  3. Step 3: Cross multiply
    313,261.52x = 432,294.45 × 177,293.03
  4. Step 4: Simplify right side
    313,261.52x = 76,642,792,892.68
  5. Step 5: Solve for x
    x = 76,642,792,892.68/313,261.52
  6. Step 6: Final answer
    x = 244,660.73

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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.