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Finding the Fourth Proportional to 526,601.43, 726,706.98 and 284,883.30

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Solution

The fourth proportional to 526,601.43, 726,706.98 and 284,883.30 is: 393,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,601.43 : 726,706.98 = 284,883.30 : x
  2. Step 2: Convert to fraction form
    526,601.43/726,706.98 = 284,883.30/x
  3. Step 3: Cross multiply
    526,601.43x = 726,706.98 × 284,883.30
  4. Step 4: Simplify right side
    526,601.43x = 207,026,682,595.43
  5. Step 5: Solve for x
    x = 207,026,682,595.43/526,601.43
  6. Step 6: Final answer
    x = 393,137.33

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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.