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Finding the Fourth Proportional to 526,810.82, 726,996.23 and 285,093.44

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Solution

The fourth proportional to 526,810.82, 726,996.23 and 285,093.44 is: 393,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,810.82 : 726,996.23 = 285,093.44 : x
  2. Step 2: Convert to fraction form
    526,810.82/726,996.23 = 285,093.44/x
  3. Step 3: Cross multiply
    526,810.82x = 726,996.23 × 285,093.44
  4. Step 4: Simplify right side
    526,810.82x = 207,261,854,812.62
  5. Step 5: Solve for x
    x = 207,261,854,812.62/526,810.82
  6. Step 6: Final answer
    x = 393,427.49

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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.