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Finding the Fourth Proportional to 350,078.60, 525,506.70 and 192,614.60

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Solution

The fourth proportional to 350,078.60, 525,506.70 and 192,614.60 is: 289,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,078.60 : 525,506.70 = 192,614.60 : x
  2. Step 2: Convert to fraction form
    350,078.60/525,506.70 = 192,614.60/x
  3. Step 3: Cross multiply
    350,078.60x = 525,506.70 × 192,614.60
  4. Step 4: Simplify right side
    350,078.60x = 101,220,262,817.82
  5. Step 5: Solve for x
    x = 101,220,262,817.82/350,078.60
  6. Step 6: Final answer
    x = 289,135.82

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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.