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Finding the Fourth Proportional to 312,288.92, 468,146.36 and 112,560.44

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Solution

The fourth proportional to 312,288.92, 468,146.36 and 112,560.44 is: 168,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,288.92 : 468,146.36 = 112,560.44 : x
  2. Step 2: Convert to fraction form
    312,288.92/468,146.36 = 112,560.44/x
  3. Step 3: Cross multiply
    312,288.92x = 468,146.36 × 112,560.44
  4. Step 4: Simplify right side
    312,288.92x = 52,694,760,266.00
  5. Step 5: Solve for x
    x = 52,694,760,266.00/312,288.92
  6. Step 6: Final answer
    x = 168,737.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.