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Finding the Fourth Proportional to 526,610.93, 726,720.09 and 284,892.80

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Solution

The fourth proportional to 526,610.93, 726,720.09 and 284,892.80 is: 393,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,610.93 : 726,720.09 = 284,892.80 : x
  2. Step 2: Convert to fraction form
    526,610.93/726,720.09 = 284,892.80/x
  3. Step 3: Cross multiply
    526,610.93x = 726,720.09 × 284,892.80
  4. Step 4: Simplify right side
    526,610.93x = 207,037,321,256.35
  5. Step 5: Solve for x
    x = 207,037,321,256.35/526,610.93
  6. Step 6: Final answer
    x = 393,150.44

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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.