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Finding the Fourth Proportional to 376,020.48, 518,906.88 and 232,752

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Solution

The fourth proportional to 376,020.48, 518,906.88 and 232,752 is: 321,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,020.48 : 518,906.88 = 232,752 : x
  2. Step 2: Convert to fraction form
    376,020.48/518,906.88 = 232,752/x
  3. Step 3: Cross multiply
    376,020.48x = 518,906.88 × 232,752
  4. Step 4: Simplify right side
    376,020.48x = 120,776,614,133.76
  5. Step 5: Solve for x
    x = 120,776,614,133.76/376,020.48
  6. Step 6: Final answer
    x = 321,196.90

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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.