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Finding the Fourth Proportional to 329,653.71, 494,316.96 and 104,984.85

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Solution

The fourth proportional to 329,653.71, 494,316.96 and 104,984.85 is: 157,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,653.71 : 494,316.96 = 104,984.85 : x
  2. Step 2: Convert to fraction form
    329,653.71/494,316.96 = 104,984.85/x
  3. Step 3: Cross multiply
    329,653.71x = 494,316.96 × 104,984.85
  4. Step 4: Simplify right side
    329,653.71x = 51,895,791,898.06
  5. Step 5: Solve for x
    x = 51,895,791,898.06/329,653.71
  6. Step 6: Final answer
    x = 157,425.17

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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.