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Finding the Fourth Proportional to 928,034.28, 1,277,605.44 and 832,375.44

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Solution

The fourth proportional to 928,034.28, 1,277,605.44 and 832,375.44 is: 1,145,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,034.28 : 1,277,605.44 = 832,375.44 : x
  2. Step 2: Convert to fraction form
    928,034.28/1,277,605.44 = 832,375.44/x
  3. Step 3: Cross multiply
    928,034.28x = 1,277,605.44 × 832,375.44
  4. Step 4: Simplify right side
    928,034.28x = 1,063,447,390,266.39
  5. Step 5: Solve for x
    x = 1,063,447,390,266.39/928,034.28
  6. Step 6: Final answer
    x = 1,145,913.91

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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.