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Finding the Fourth Proportional to 624,394.26, 936,552.51 and 384,553.80

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Solution

The fourth proportional to 624,394.26, 936,552.51 and 384,553.80 is: 576,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,394.26 : 936,552.51 = 384,553.80 : x
  2. Step 2: Convert to fraction form
    624,394.26/936,552.51 = 384,553.80/x
  3. Step 3: Cross multiply
    624,394.26x = 936,552.51 × 384,553.80
  4. Step 4: Simplify right side
    624,394.26x = 360,154,826,620.04
  5. Step 5: Solve for x
    x = 360,154,826,620.04/624,394.26
  6. Step 6: Final answer
    x = 576,806.75

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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.