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Finding the Fourth Proportional to 416,900.43, 623,855.79 and 360,933.03

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Solution

The fourth proportional to 416,900.43, 623,855.79 and 360,933.03 is: 540,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,900.43 : 623,855.79 = 360,933.03 : x
  2. Step 2: Convert to fraction form
    416,900.43/623,855.79 = 360,933.03/x
  3. Step 3: Cross multiply
    416,900.43x = 623,855.79 × 360,933.03
  4. Step 4: Simplify right side
    416,900.43x = 225,170,160,567.74
  5. Step 5: Solve for x
    x = 225,170,160,567.74/416,900.43
  6. Step 6: Final answer
    x = 540,105.37

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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.