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Finding the Fourth Proportional to 323,400.26, 446,286.76 and 187,446.86

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Solution

The fourth proportional to 323,400.26, 446,286.76 and 187,446.86 is: 258,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,400.26 : 446,286.76 = 187,446.86 : x
  2. Step 2: Convert to fraction form
    323,400.26/446,286.76 = 187,446.86/x
  3. Step 3: Cross multiply
    323,400.26x = 446,286.76 × 187,446.86
  4. Step 4: Simplify right side
    323,400.26x = 83,655,050,795.10
  5. Step 5: Solve for x
    x = 83,655,050,795.10/323,400.26
  6. Step 6: Final answer
    x = 258,673.42

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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.