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Finding the Fourth Proportional to 619,696.46, 927,198.92 and 367,112.54

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Solution

The fourth proportional to 619,696.46, 927,198.92 and 367,112.54 is: 549,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,696.46 : 927,198.92 = 367,112.54 : x
  2. Step 2: Convert to fraction form
    619,696.46/927,198.92 = 367,112.54/x
  3. Step 3: Cross multiply
    619,696.46x = 927,198.92 × 367,112.54
  4. Step 4: Simplify right side
    619,696.46x = 340,386,350,606.46
  5. Step 5: Solve for x
    x = 340,386,350,606.46/619,696.46
  6. Step 6: Final answer
    x = 549,279.16

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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.