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Finding the Fourth Proportional to 445,408.34, 667,325.19 and 295,292.66

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Solution

The fourth proportional to 445,408.34, 667,325.19 and 295,292.66 is: 442,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,408.34 : 667,325.19 = 295,292.66 : x
  2. Step 2: Convert to fraction form
    445,408.34/667,325.19 = 295,292.66/x
  3. Step 3: Cross multiply
    445,408.34x = 667,325.19 × 295,292.66
  4. Step 4: Simplify right side
    445,408.34x = 197,056,230,440.11
  5. Step 5: Solve for x
    x = 197,056,230,440.11/445,408.34
  6. Step 6: Final answer
    x = 442,417.02

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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.