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Finding the Fourth Proportional to 526,515.85, 726,591.97 and 284,798.35

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Solution

The fourth proportional to 526,515.85, 726,591.97 and 284,798.35 is: 393,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,515.85 : 726,591.97 = 284,798.35 : x
  2. Step 2: Convert to fraction form
    526,515.85/726,591.97 = 284,798.35/x
  3. Step 3: Cross multiply
    526,515.85x = 726,591.97 × 284,798.35
  4. Step 4: Simplify right side
    526,515.85x = 206,932,194,179.25
  5. Step 5: Solve for x
    x = 206,932,194,179.25/526,515.85
  6. Step 6: Final answer
    x = 393,021.78

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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.