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Finding the Fourth Proportional to 527,825.82, 791,144.58 and 261,777.26

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Solution

The fourth proportional to 527,825.82, 791,144.58 and 261,777.26 is: 392,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,825.82 : 791,144.58 = 261,777.26 : x
  2. Step 2: Convert to fraction form
    527,825.82/791,144.58 = 261,777.26/x
  3. Step 3: Cross multiply
    527,825.82x = 791,144.58 × 261,777.26
  4. Step 4: Simplify right side
    527,825.82x = 207,103,660,416.25
  5. Step 5: Solve for x
    x = 207,103,660,416.25/527,825.82
  6. Step 6: Final answer
    x = 392,371.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.