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Finding the Fourth Proportional to 312,572.67, 468,346.41 and 132,514.23

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Solution

The fourth proportional to 312,572.67, 468,346.41 and 132,514.23 is: 198,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,572.67 : 468,346.41 = 132,514.23 : x
  2. Step 2: Convert to fraction form
    312,572.67/468,346.41 = 132,514.23/x
  3. Step 3: Cross multiply
    312,572.67x = 468,346.41 × 132,514.23
  4. Step 4: Simplify right side
    312,572.67x = 62,062,561,552.68
  5. Step 5: Solve for x
    x = 62,062,561,552.68/312,572.67
  6. Step 6: Final answer
    x = 198,554.03

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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.