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Finding the Fourth Proportional to 316,797.13, 437,176.39 and 171,600.17

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Solution

The fourth proportional to 316,797.13, 437,176.39 and 171,600.17 is: 236,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,797.13 : 437,176.39 = 171,600.17 : x
  2. Step 2: Convert to fraction form
    316,797.13/437,176.39 = 171,600.17/x
  3. Step 3: Cross multiply
    316,797.13x = 437,176.39 × 171,600.17
  4. Step 4: Simplify right side
    316,797.13x = 75,019,542,843.99
  5. Step 5: Solve for x
    x = 75,019,542,843.99/316,797.13
  6. Step 6: Final answer
    x = 236,806.26

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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.