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Finding the Fourth Proportional to 413,812.62, 620,767.53 and 147,610.98

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Solution

The fourth proportional to 413,812.62, 620,767.53 and 147,610.98 is: 221,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,812.62 : 620,767.53 = 147,610.98 : x
  2. Step 2: Convert to fraction form
    413,812.62/620,767.53 = 147,610.98/x
  3. Step 3: Cross multiply
    413,812.62x = 620,767.53 × 147,610.98
  4. Step 4: Simplify right side
    413,812.62x = 91,632,103,455.48
  5. Step 5: Solve for x
    x = 91,632,103,455.48/413,812.62
  6. Step 6: Final answer
    x = 221,433.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.