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Finding the Fourth Proportional to 349,614.60, 524,810.70 and 192,150.60

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Solution

The fourth proportional to 349,614.60, 524,810.70 and 192,150.60 is: 288,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,614.60 : 524,810.70 = 192,150.60 : x
  2. Step 2: Convert to fraction form
    349,614.60/524,810.70 = 192,150.60/x
  3. Step 3: Cross multiply
    349,614.60x = 524,810.70 × 192,150.60
  4. Step 4: Simplify right side
    349,614.60x = 100,842,690,891.42
  5. Step 5: Solve for x
    x = 100,842,690,891.42/349,614.60
  6. Step 6: Final answer
    x = 288,439.59

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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.