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Finding the Fourth Proportional to 375,690.76, 518,506.44 and 232,497.04

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Solution

The fourth proportional to 375,690.76, 518,506.44 and 232,497.04 is: 320,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,690.76 : 518,506.44 = 232,497.04 : x
  2. Step 2: Convert to fraction form
    375,690.76/518,506.44 = 232,497.04/x
  3. Step 3: Cross multiply
    375,690.76x = 518,506.44 × 232,497.04
  4. Step 4: Simplify right side
    375,690.76x = 120,551,212,520.94
  5. Step 5: Solve for x
    x = 120,551,212,520.94/375,690.76
  6. Step 6: Final answer
    x = 320,878.83

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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.