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Finding the Fourth Proportional to 286,070.52, 394,907.22 and 195,573

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Solution

The fourth proportional to 286,070.52, 394,907.22 and 195,573 is: 269,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,070.52 : 394,907.22 = 195,573 : x
  2. Step 2: Convert to fraction form
    286,070.52/394,907.22 = 195,573/x
  3. Step 3: Cross multiply
    286,070.52x = 394,907.22 × 195,573
  4. Step 4: Simplify right side
    286,070.52x = 77,233,189,737.06
  5. Step 5: Solve for x
    x = 77,233,189,737.06/286,070.52
  6. Step 6: Final answer
    x = 269,979.55

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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.