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Finding the Fourth Proportional to 350,179.80, 525,269.70 and 329,443.80

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Solution

The fourth proportional to 350,179.80, 525,269.70 and 329,443.80 is: 494,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,179.80 : 525,269.70 = 329,443.80 : x
  2. Step 2: Convert to fraction form
    350,179.80/525,269.70 = 329,443.80/x
  3. Step 3: Cross multiply
    350,179.80x = 525,269.70 × 329,443.80
  4. Step 4: Simplify right side
    350,179.80x = 173,046,845,992.86
  5. Step 5: Solve for x
    x = 173,046,845,992.86/350,179.80
  6. Step 6: Final answer
    x = 494,165.70

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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.