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Finding the Fourth Proportional to 579,200.24, 799,317.96 and 324,542

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Solution

The fourth proportional to 579,200.24, 799,317.96 and 324,542 is: 447,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,200.24 : 799,317.96 = 324,542 : x
  2. Step 2: Convert to fraction form
    579,200.24/799,317.96 = 324,542/x
  3. Step 3: Cross multiply
    579,200.24x = 799,317.96 × 324,542
  4. Step 4: Simplify right side
    579,200.24x = 259,412,249,374.32
  5. Step 5: Solve for x
    x = 259,412,249,374.32/579,200.24
  6. Step 6: Final answer
    x = 447,880.08

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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.