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Finding the Fourth Proportional to 578,735.43, 798,632.51 and 324,073.59

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Solution

The fourth proportional to 578,735.43, 798,632.51 and 324,073.59 is: 447,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,735.43 : 798,632.51 = 324,073.59 : x
  2. Step 2: Convert to fraction form
    578,735.43/798,632.51 = 324,073.59/x
  3. Step 3: Cross multiply
    578,735.43x = 798,632.51 × 324,073.59
  4. Step 4: Simplify right side
    578,735.43x = 258,815,702,986.04
  5. Step 5: Solve for x
    x = 258,815,702,986.04/578,735.43
  6. Step 6: Final answer
    x = 447,209.02

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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.