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Finding the Fourth Proportional to 347,455.44, 521,249.16 and 119,690.64

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Solution

The fourth proportional to 347,455.44, 521,249.16 and 119,690.64 is: 179,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,455.44 : 521,249.16 = 119,690.64 : x
  2. Step 2: Convert to fraction form
    347,455.44/521,249.16 = 119,690.64/x
  3. Step 3: Cross multiply
    347,455.44x = 521,249.16 × 119,690.64
  4. Step 4: Simplify right side
    347,455.44x = 62,388,645,559.86
  5. Step 5: Solve for x
    x = 62,388,645,559.86/347,455.44
  6. Step 6: Final answer
    x = 179,558.70

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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.