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Finding the Fourth Proportional to 400,034.03, 600,004.85 and 100,491.83

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Solution

The fourth proportional to 400,034.03, 600,004.85 and 100,491.83 is: 150,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,034.03 : 600,004.85 = 100,491.83 : x
  2. Step 2: Convert to fraction form
    400,034.03/600,004.85 = 100,491.83/x
  3. Step 3: Cross multiply
    400,034.03x = 600,004.85 × 100,491.83
  4. Step 4: Simplify right side
    400,034.03x = 60,295,585,385.38
  5. Step 5: Solve for x
    x = 60,295,585,385.38/400,034.03
  6. Step 6: Final answer
    x = 150,726.14

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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.