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Finding the Fourth Proportional to 356,452.42, 534,762.46 and 103,738.36

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Solution

The fourth proportional to 356,452.42, 534,762.46 and 103,738.36 is: 155,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,452.42 : 534,762.46 = 103,738.36 : x
  2. Step 2: Convert to fraction form
    356,452.42/534,762.46 = 103,738.36/x
  3. Step 3: Cross multiply
    356,452.42x = 534,762.46 × 103,738.36
  4. Step 4: Simplify right side
    356,452.42x = 55,475,380,589.97
  5. Step 5: Solve for x
    x = 55,475,380,589.97/356,452.42
  6. Step 6: Final answer
    x = 155,631.94

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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.