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Finding the Fourth Proportional to 526,194.92, 726,156.90 and 299,835.56

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Solution

The fourth proportional to 526,194.92, 726,156.90 and 299,835.56 is: 413,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,194.92 : 726,156.90 = 299,835.56 : x
  2. Step 2: Convert to fraction form
    526,194.92/726,156.90 = 299,835.56/x
  3. Step 3: Cross multiply
    526,194.92x = 726,156.90 × 299,835.56
  4. Step 4: Simplify right side
    526,194.92x = 217,727,660,759.36
  5. Step 5: Solve for x
    x = 217,727,660,759.36/526,194.92
  6. Step 6: Final answer
    x = 413,777.58

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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.