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Finding the Fourth Proportional to 345,956.84, 518,000.46 and 179,394.92

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Solution

The fourth proportional to 345,956.84, 518,000.46 and 179,394.92 is: 268,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,956.84 : 518,000.46 = 179,394.92 : x
  2. Step 2: Convert to fraction form
    345,956.84/518,000.46 = 179,394.92/x
  3. Step 3: Cross multiply
    345,956.84x = 518,000.46 × 179,394.92
  4. Step 4: Simplify right side
    345,956.84x = 92,926,651,081.66
  5. Step 5: Solve for x
    x = 92,926,651,081.66/345,956.84
  6. Step 6: Final answer
    x = 268,607.64

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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.