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Finding the Fourth Proportional to 526,794.37, 726,976.23 and 285,076.92

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Solution

The fourth proportional to 526,794.37, 726,976.23 and 285,076.92 is: 393,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,794.37 : 726,976.23 = 285,076.92 : x
  2. Step 2: Convert to fraction form
    526,794.37/726,976.23 = 285,076.92/x
  3. Step 3: Cross multiply
    526,794.37x = 726,976.23 × 285,076.92
  4. Step 4: Simplify right side
    526,794.37x = 207,244,144,561.61
  5. Step 5: Solve for x
    x = 207,244,144,561.61/526,794.37
  6. Step 6: Final answer
    x = 393,406.15

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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.