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Finding the Fourth Proportional to 526,680.72, 726,814.22 and 284,957.99

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Solution

The fourth proportional to 526,680.72, 726,814.22 and 284,957.99 is: 393,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,680.72 : 726,814.22 = 284,957.99 : x
  2. Step 2: Convert to fraction form
    526,680.72/726,814.22 = 284,957.99/x
  3. Step 3: Cross multiply
    526,680.72x = 726,814.22 × 284,957.99
  4. Step 4: Simplify right side
    526,680.72x = 207,111,519,234.62
  5. Step 5: Solve for x
    x = 207,111,519,234.62/526,680.72
  6. Step 6: Final answer
    x = 393,239.23

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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.