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Finding the Fourth Proportional to 349,781.76, 524,446.56 and 191,967.84

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Solution

The fourth proportional to 349,781.76, 524,446.56 and 191,967.84 is: 287,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,781.76 : 524,446.56 = 191,967.84 : x
  2. Step 2: Convert to fraction form
    349,781.76/524,446.56 = 191,967.84/x
  3. Step 3: Cross multiply
    349,781.76x = 524,446.56 × 191,967.84
  4. Step 4: Simplify right side
    349,781.76x = 100,676,873,318.63
  5. Step 5: Solve for x
    x = 100,676,873,318.63/349,781.76
  6. Step 6: Final answer
    x = 287,827.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.