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Finding the Fourth Proportional to 321,479.58, 482,245.66 and 161,473.24

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Solution

The fourth proportional to 321,479.58, 482,245.66 and 161,473.24 is: 242,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,479.58 : 482,245.66 = 161,473.24 : x
  2. Step 2: Convert to fraction form
    321,479.58/482,245.66 = 161,473.24/x
  3. Step 3: Cross multiply
    321,479.58x = 482,245.66 × 161,473.24
  4. Step 4: Simplify right side
    321,479.58x = 77,869,766,381.23
  5. Step 5: Solve for x
    x = 77,869,766,381.23/321,479.58
  6. Step 6: Final answer
    x = 242,223.06

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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.