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Finding the Fourth Proportional to 283,324.72, 391,002.48 and 160,825.72

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Solution

The fourth proportional to 283,324.72, 391,002.48 and 160,825.72 is: 221,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,324.72 : 391,002.48 = 160,825.72 : x
  2. Step 2: Convert to fraction form
    283,324.72/391,002.48 = 160,825.72/x
  3. Step 3: Cross multiply
    283,324.72x = 391,002.48 × 160,825.72
  4. Step 4: Simplify right side
    283,324.72x = 62,883,255,367.79
  5. Step 5: Solve for x
    x = 62,883,255,367.79/283,324.72
  6. Step 6: Final answer
    x = 221,947.65

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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.