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Finding the Fourth Proportional to 521,850.53, 783,145.31 and 237,577.88

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Solution

The fourth proportional to 521,850.53, 783,145.31 and 237,577.88 is: 356,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,850.53 : 783,145.31 = 237,577.88 : x
  2. Step 2: Convert to fraction form
    521,850.53/783,145.31 = 237,577.88/x
  3. Step 3: Cross multiply
    521,850.53x = 783,145.31 × 237,577.88
  4. Step 4: Simplify right side
    521,850.53x = 186,058,003,251.72
  5. Step 5: Solve for x
    x = 186,058,003,251.72/521,850.53
  6. Step 6: Final answer
    x = 356,535.05

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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.