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Finding the Fourth Proportional to 576,112.39, 794,916.38 and 331,049.80

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Solution

The fourth proportional to 576,112.39, 794,916.38 and 331,049.80 is: 456,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,112.39 : 794,916.38 = 331,049.80 : x
  2. Step 2: Convert to fraction form
    576,112.39/794,916.38 = 331,049.80/x
  3. Step 3: Cross multiply
    576,112.39x = 794,916.38 × 331,049.80
  4. Step 4: Simplify right side
    576,112.39x = 263,156,908,615.72
  5. Step 5: Solve for x
    x = 263,156,908,615.72/576,112.39
  6. Step 6: Final answer
    x = 456,780.51

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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.