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Finding the Fourth Proportional to 500,851.89, 751,526.99 and 399,753.56

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Solution

The fourth proportional to 500,851.89, 751,526.99 and 399,753.56 is: 599,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,851.89 : 751,526.99 = 399,753.56 : x
  2. Step 2: Convert to fraction form
    500,851.89/751,526.99 = 399,753.56/x
  3. Step 3: Cross multiply
    500,851.89x = 751,526.99 × 399,753.56
  4. Step 4: Simplify right side
    500,851.89x = 300,425,583,932.18
  5. Step 5: Solve for x
    x = 300,425,583,932.18/500,851.89
  6. Step 6: Final answer
    x = 599,829.19

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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.