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Finding the Fourth Proportional to 349,793.10, 525,078.45 and 192,329.10

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Solution

The fourth proportional to 349,793.10, 525,078.45 and 192,329.10 is: 288,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,793.10 : 525,078.45 = 192,329.10 : x
  2. Step 2: Convert to fraction form
    349,793.10/525,078.45 = 192,329.10/x
  3. Step 3: Cross multiply
    349,793.10x = 525,078.45 × 192,329.10
  4. Step 4: Simplify right side
    349,793.10x = 100,987,865,717.90
  5. Step 5: Solve for x
    x = 100,987,865,717.90/349,793.10
  6. Step 6: Final answer
    x = 288,707.43

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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.