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Finding the Fourth Proportional to 312,195.60, 468,006.34 and 112,467.15

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Solution

The fourth proportional to 312,195.60, 468,006.34 and 112,467.15 is: 168,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,195.60 : 468,006.34 = 112,467.15 : x
  2. Step 2: Convert to fraction form
    312,195.60/468,006.34 = 112,467.15/x
  3. Step 3: Cross multiply
    312,195.60x = 468,006.34 × 112,467.15
  4. Step 4: Simplify right side
    312,195.60x = 52,635,339,241.73
  5. Step 5: Solve for x
    x = 52,635,339,241.73/312,195.60
  6. Step 6: Final answer
    x = 168,597.31

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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.