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Finding the Fourth Proportional to 526,512.17, 726,586.88 and 284,794.67

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Solution

The fourth proportional to 526,512.17, 726,586.88 and 284,794.67 is: 393,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,512.17 : 726,586.88 = 284,794.67 : x
  2. Step 2: Convert to fraction form
    526,512.17/726,586.88 = 284,794.67/x
  3. Step 3: Cross multiply
    526,512.17x = 726,586.88 × 284,794.67
  4. Step 4: Simplify right side
    526,512.17x = 206,928,065,659.02
  5. Step 5: Solve for x
    x = 206,928,065,659.02/526,512.17
  6. Step 6: Final answer
    x = 393,016.68

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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.