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Finding the Fourth Proportional to 526,581.66, 726,680.48 and 284,863.64

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Solution

The fourth proportional to 526,581.66, 726,680.48 and 284,863.64 is: 393,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,581.66 : 726,680.48 = 284,863.64 : x
  2. Step 2: Convert to fraction form
    526,581.66/726,680.48 = 284,863.64/x
  3. Step 3: Cross multiply
    526,581.66x = 726,680.48 × 284,863.64
  4. Step 4: Simplify right side
    526,581.66x = 207,004,846,649.75
  5. Step 5: Solve for x
    x = 207,004,846,649.75/526,581.66
  6. Step 6: Final answer
    x = 393,110.63

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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.