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Finding the Fourth Proportional to 349,963.54, 525,213.15 and 270,881.62

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Solution

The fourth proportional to 349,963.54, 525,213.15 and 270,881.62 is: 406,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,963.54 : 525,213.15 = 270,881.62 : x
  2. Step 2: Convert to fraction form
    349,963.54/525,213.15 = 270,881.62/x
  3. Step 3: Cross multiply
    349,963.54x = 525,213.15 × 270,881.62
  4. Step 4: Simplify right side
    349,963.54x = 142,270,588,917.30
  5. Step 5: Solve for x
    x = 142,270,588,917.30/349,963.54
  6. Step 6: Final answer
    x = 406,529.75

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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.