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Finding the Fourth Proportional to 649,481.94, 896,269.61 and 363,028.68

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Solution

The fourth proportional to 649,481.94, 896,269.61 and 363,028.68 is: 500,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,481.94 : 896,269.61 = 363,028.68 : x
  2. Step 2: Convert to fraction form
    649,481.94/896,269.61 = 363,028.68/x
  3. Step 3: Cross multiply
    649,481.94x = 896,269.61 × 363,028.68
  4. Step 4: Simplify right side
    649,481.94x = 325,371,571,627.27
  5. Step 5: Solve for x
    x = 325,371,571,627.27/649,481.94
  6. Step 6: Final answer
    x = 500,970.93

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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.