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Finding the Fourth Proportional to 522,097.12, 720,469.92 and 295,744.48

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Solution

The fourth proportional to 522,097.12, 720,469.92 and 295,744.48 is: 408,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,097.12 : 720,469.92 = 295,744.48 : x
  2. Step 2: Convert to fraction form
    522,097.12/720,469.92 = 295,744.48/x
  3. Step 3: Cross multiply
    522,097.12x = 720,469.92 × 295,744.48
  4. Step 4: Simplify right side
    522,097.12x = 213,075,001,846.04
  5. Step 5: Solve for x
    x = 213,075,001,846.04/522,097.12
  6. Step 6: Final answer
    x = 408,113.73

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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.