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Finding the Fourth Proportional to 598,243.71, 825,578.91 and 326,317.46

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Solution

The fourth proportional to 598,243.71, 825,578.91 and 326,317.46 is: 450,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,243.71 : 825,578.91 = 326,317.46 : x
  2. Step 2: Convert to fraction form
    598,243.71/825,578.91 = 326,317.46/x
  3. Step 3: Cross multiply
    598,243.71x = 825,578.91 × 326,317.46
  4. Step 4: Simplify right side
    598,243.71x = 269,400,808,812.87
  5. Step 5: Solve for x
    x = 269,400,808,812.87/598,243.71
  6. Step 6: Final answer
    x = 450,319.50

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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.