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Finding the Fourth Proportional to 313,469.28, 432,592.61 and 177,499.54

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Solution

The fourth proportional to 313,469.28, 432,592.61 and 177,499.54 is: 244,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,469.28 : 432,592.61 = 177,499.54 : x
  2. Step 2: Convert to fraction form
    313,469.28/432,592.61 = 177,499.54/x
  3. Step 3: Cross multiply
    313,469.28x = 432,592.61 × 177,499.54
  4. Step 4: Simplify right side
    313,469.28x = 76,784,989,282.40
  5. Step 5: Solve for x
    x = 76,784,989,282.40/313,469.28
  6. Step 6: Final answer
    x = 244,952.20

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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.