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Finding the Fourth Proportional to 375,691.76, 518,507.82 and 232,498.04

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Solution

The fourth proportional to 375,691.76, 518,507.82 and 232,498.04 is: 320,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,691.76 : 518,507.82 = 232,498.04 : x
  2. Step 2: Convert to fraction form
    375,691.76/518,507.82 = 232,498.04/x
  3. Step 3: Cross multiply
    375,691.76x = 518,507.82 × 232,498.04
  4. Step 4: Simplify right side
    375,691.76x = 120,552,051,874.67
  5. Step 5: Solve for x
    x = 120,552,051,874.67/375,691.76
  6. Step 6: Final answer
    x = 320,880.21

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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.