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Finding the Fourth Proportional to 624,105.65, 861,262.86 and 337,623.23

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Solution

The fourth proportional to 624,105.65, 861,262.86 and 337,623.23 is: 465,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,105.65 : 861,262.86 = 337,623.23 : x
  2. Step 2: Convert to fraction form
    624,105.65/861,262.86 = 337,623.23/x
  3. Step 3: Cross multiply
    624,105.65x = 861,262.86 × 337,623.23
  4. Step 4: Simplify right side
    624,105.65x = 290,782,344,365.92
  5. Step 5: Solve for x
    x = 290,782,344,365.92/624,105.65
  6. Step 6: Final answer
    x = 465,918.47

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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.