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Finding the Fourth Proportional to 440,891.44, 609,044.40 and 424,505.68

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Solution

The fourth proportional to 440,891.44, 609,044.40 and 424,505.68 is: 586,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,891.44 : 609,044.40 = 424,505.68 : x
  2. Step 2: Convert to fraction form
    440,891.44/609,044.40 = 424,505.68/x
  3. Step 3: Cross multiply
    440,891.44x = 609,044.40 × 424,505.68
  4. Step 4: Simplify right side
    440,891.44x = 258,542,807,172.19
  5. Step 5: Solve for x
    x = 258,542,807,172.19/440,891.44
  6. Step 6: Final answer
    x = 586,409.22

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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.