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Finding the Fourth Proportional to 552,178.68, 827,743.18 and 351,937

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Solution

The fourth proportional to 552,178.68, 827,743.18 and 351,937 is: 527,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,178.68 : 827,743.18 = 351,937 : x
  2. Step 2: Convert to fraction form
    552,178.68/827,743.18 = 351,937/x
  3. Step 3: Cross multiply
    552,178.68x = 827,743.18 × 351,937
  4. Step 4: Simplify right side
    552,178.68x = 291,313,451,539.66
  5. Step 5: Solve for x
    x = 291,313,451,539.66/552,178.68
  6. Step 6: Final answer
    x = 527,570.99

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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.