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Finding the Fourth Proportional to 321,694.28, 482,544.89 and 97,056.66

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Solution

The fourth proportional to 321,694.28, 482,544.89 and 97,056.66 is: 145,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,694.28 : 482,544.89 = 97,056.66 : x
  2. Step 2: Convert to fraction form
    321,694.28/482,544.89 = 97,056.66/x
  3. Step 3: Cross multiply
    321,694.28x = 482,544.89 × 97,056.66
  4. Step 4: Simplify right side
    321,694.28x = 46,834,195,323.47
  5. Step 5: Solve for x
    x = 46,834,195,323.47/321,694.28
  6. Step 6: Final answer
    x = 145,586.04

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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.