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Finding the Fourth Proportional to 526,814.97, 726,998.94 and 285,092.34

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Solution

The fourth proportional to 526,814.97, 726,998.94 and 285,092.34 is: 393,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,814.97 : 726,998.94 = 285,092.34 : x
  2. Step 2: Convert to fraction form
    526,814.97/726,998.94 = 285,092.34/x
  3. Step 3: Cross multiply
    526,814.97x = 726,998.94 × 285,092.34
  4. Step 4: Simplify right side
    526,814.97x = 207,261,828,982.12
  5. Step 5: Solve for x
    x = 207,261,828,982.12/526,814.97
  6. Step 6: Final answer
    x = 393,424.33

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1.5x scale

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.