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Finding the Fourth Proportional to 619,375.53, 854,562.51 and 361,263.74

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Solution

The fourth proportional to 619,375.53, 854,562.51 and 361,263.74 is: 498,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,375.53 : 854,562.51 = 361,263.74 : x
  2. Step 2: Convert to fraction form
    619,375.53/854,562.51 = 361,263.74/x
  3. Step 3: Cross multiply
    619,375.53x = 854,562.51 × 361,263.74
  4. Step 4: Simplify right side
    619,375.53x = 308,722,448,426.39
  5. Step 5: Solve for x
    x = 308,722,448,426.39/619,375.53
  6. Step 6: Final answer
    x = 498,441.47

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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.