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Finding the Fourth Proportional to 404,311.40, 606,467.10 and 372,818.60

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Solution

The fourth proportional to 404,311.40, 606,467.10 and 372,818.60 is: 559,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,311.40 : 606,467.10 = 372,818.60 : x
  2. Step 2: Convert to fraction form
    404,311.40/606,467.10 = 372,818.60/x
  3. Step 3: Cross multiply
    404,311.40x = 606,467.10 × 372,818.60
  4. Step 4: Simplify right side
    404,311.40x = 226,102,215,168.06
  5. Step 5: Solve for x
    x = 226,102,215,168.06/404,311.40
  6. Step 6: Final answer
    x = 559,227.90

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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.