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Finding the Fourth Proportional to 372,473.82, 513,857.10 and 234,408.15

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Solution

The fourth proportional to 372,473.82, 513,857.10 and 234,408.15 is: 323,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,473.82 : 513,857.10 = 234,408.15 : x
  2. Step 2: Convert to fraction form
    372,473.82/513,857.10 = 234,408.15/x
  3. Step 3: Cross multiply
    372,473.82x = 513,857.10 × 234,408.15
  4. Step 4: Simplify right side
    372,473.82x = 120,452,292,175.37
  5. Step 5: Solve for x
    x = 120,452,292,175.37/372,473.82
  6. Step 6: Final answer
    x = 323,384.59

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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.