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Finding the Fourth Proportional to 325,653.76, 487,844.64 and 224,433.84

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Solution

The fourth proportional to 325,653.76, 487,844.64 and 224,433.84 is: 336,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,653.76 : 487,844.64 = 224,433.84 : x
  2. Step 2: Convert to fraction form
    325,653.76/487,844.64 = 224,433.84/x
  3. Step 3: Cross multiply
    325,653.76x = 487,844.64 × 224,433.84
  4. Step 4: Simplify right side
    325,653.76x = 109,488,845,878.62
  5. Step 5: Solve for x
    x = 109,488,845,878.62/325,653.76
  6. Step 6: Final answer
    x = 336,212.44

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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.