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Finding the Fourth Proportional to 349,169.43, 523,347.93 and 199,514.64

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Solution

The fourth proportional to 349,169.43, 523,347.93 and 199,514.64 is: 299,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,169.43 : 523,347.93 = 199,514.64 : x
  2. Step 2: Convert to fraction form
    349,169.43/523,347.93 = 199,514.64/x
  3. Step 3: Cross multiply
    349,169.43x = 523,347.93 × 199,514.64
  4. Step 4: Simplify right side
    349,169.43x = 104,415,573,848.70
  5. Step 5: Solve for x
    x = 104,415,573,848.70/349,169.43
  6. Step 6: Final answer
    x = 299,039.85

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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.