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Finding the Fourth Proportional to 552,233.46, 827,825.31 and 351,991.74

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Solution

The fourth proportional to 552,233.46, 827,825.31 and 351,991.74 is: 527,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,233.46 : 827,825.31 = 351,991.74 : x
  2. Step 2: Convert to fraction form
    552,233.46/827,825.31 = 351,991.74/x
  3. Step 3: Cross multiply
    552,233.46x = 827,825.31 × 351,991.74
  4. Step 4: Simplify right side
    552,233.46x = 291,387,671,282.94
  5. Step 5: Solve for x
    x = 291,387,671,282.94/552,233.46
  6. Step 6: Final answer
    x = 527,653.05

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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.