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Finding the Fourth Proportional to 449,007.59, 619,625.62 and 245,056.85

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Solution

The fourth proportional to 449,007.59, 619,625.62 and 245,056.85 is: 338,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,007.59 : 619,625.62 = 245,056.85 : x
  2. Step 2: Convert to fraction form
    449,007.59/619,625.62 = 245,056.85/x
  3. Step 3: Cross multiply
    449,007.59x = 619,625.62 × 245,056.85
  4. Step 4: Simplify right side
    449,007.59x = 151,843,502,003.86
  5. Step 5: Solve for x
    x = 151,843,502,003.86/449,007.59
  6. Step 6: Final answer
    x = 338,175.81

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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.