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Finding the Fourth Proportional to 375,679.82, 518,491.29 and 232,485.98

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Solution

The fourth proportional to 375,679.82, 518,491.29 and 232,485.98 is: 320,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,679.82 : 518,491.29 = 232,485.98 : x
  2. Step 2: Convert to fraction form
    375,679.82/518,491.29 = 232,485.98/x
  3. Step 3: Cross multiply
    375,679.82x = 518,491.29 × 232,485.98
  4. Step 4: Simplify right side
    375,679.82x = 120,541,955,677.11
  5. Step 5: Solve for x
    x = 120,541,955,677.11/375,679.82
  6. Step 6: Final answer
    x = 320,863.54

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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.