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Finding the Fourth Proportional to 621,538.96, 932,313.84 and 200,814.88

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Solution

The fourth proportional to 621,538.96, 932,313.84 and 200,814.88 is: 301,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,538.96 : 932,313.84 = 200,814.88 : x
  2. Step 2: Convert to fraction form
    621,538.96/932,313.84 = 200,814.88/x
  3. Step 3: Cross multiply
    621,538.96x = 932,313.84 × 200,814.88
  4. Step 4: Simplify right side
    621,538.96x = 187,222,491,901.94
  5. Step 5: Solve for x
    x = 187,222,491,901.94/621,538.96
  6. Step 6: Final answer
    x = 301,224.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.