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Finding the Fourth Proportional to 526,584.82, 726,684.90 and 284,866.84

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Solution

The fourth proportional to 526,584.82, 726,684.90 and 284,866.84 is: 393,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,584.82 : 726,684.90 = 284,866.84 : x
  2. Step 2: Convert to fraction form
    526,584.82/726,684.90 = 284,866.84/x
  3. Step 3: Cross multiply
    526,584.82x = 726,684.90 × 284,866.84
  4. Step 4: Simplify right side
    526,584.82x = 207,008,431,138.72
  5. Step 5: Solve for x
    x = 207,008,431,138.72/526,584.82
  6. Step 6: Final answer
    x = 393,115.08

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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.