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Finding the Fourth Proportional to 323,084.85, 484,926.50 and 163,273.22

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Solution

The fourth proportional to 323,084.85, 484,926.50 and 163,273.22 is: 245,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,084.85 : 484,926.50 = 163,273.22 : x
  2. Step 2: Convert to fraction form
    323,084.85/484,926.50 = 163,273.22/x
  3. Step 3: Cross multiply
    323,084.85x = 484,926.50 × 163,273.22
  4. Step 4: Simplify right side
    323,084.85x = 79,175,510,001.94
  5. Step 5: Solve for x
    x = 79,175,510,001.94/323,084.85
  6. Step 6: Final answer
    x = 245,061.04

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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.