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Finding the Fourth Proportional to 572,491.99, 790,101.60 and 327,499.24

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Solution

The fourth proportional to 572,491.99, 790,101.60 and 327,499.24 is: 451,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,491.99 : 790,101.60 = 327,499.24 : x
  2. Step 2: Convert to fraction form
    572,491.99/790,101.60 = 327,499.24/x
  3. Step 3: Cross multiply
    572,491.99x = 790,101.60 × 327,499.24
  4. Step 4: Simplify right side
    572,491.99x = 258,757,673,522.78
  5. Step 5: Solve for x
    x = 258,757,673,522.78/572,491.99
  6. Step 6: Final answer
    x = 451,984.79

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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.