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Finding the Fourth Proportional to 649,806.48, 896,730.48 and 363,325.68

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Solution

The fourth proportional to 649,806.48, 896,730.48 and 363,325.68 is: 501,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,806.48 : 896,730.48 = 363,325.68 : x
  2. Step 2: Convert to fraction form
    649,806.48/896,730.48 = 363,325.68/x
  3. Step 3: Cross multiply
    649,806.48x = 896,730.48 × 363,325.68
  4. Step 4: Simplify right side
    649,806.48x = 325,805,211,422.73
  5. Step 5: Solve for x
    x = 325,805,211,422.73/649,806.48
  6. Step 6: Final answer
    x = 501,388.06

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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.