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Finding the Fourth Proportional to 345,507.02, 476,793.21 and 192,541.85

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Solution

The fourth proportional to 345,507.02, 476,793.21 and 192,541.85 is: 265,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,507.02 : 476,793.21 = 192,541.85 : x
  2. Step 2: Convert to fraction form
    345,507.02/476,793.21 = 192,541.85/x
  3. Step 3: Cross multiply
    345,507.02x = 476,793.21 × 192,541.85
  4. Step 4: Simplify right side
    345,507.02x = 91,802,644,336.87
  5. Step 5: Solve for x
    x = 91,802,644,336.87/345,507.02
  6. Step 6: Final answer
    x = 265,704.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.