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Finding the Fourth Proportional to 611,093.91, 843,318.77 and 335,474.40

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Solution

The fourth proportional to 611,093.91, 843,318.77 and 335,474.40 is: 462,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,093.91 : 843,318.77 = 335,474.40 : x
  2. Step 2: Convert to fraction form
    611,093.91/843,318.77 = 335,474.40/x
  3. Step 3: Cross multiply
    611,093.91x = 843,318.77 × 335,474.40
  4. Step 4: Simplify right side
    611,093.91x = 282,911,856,697.12
  5. Step 5: Solve for x
    x = 282,911,856,697.12/611,093.91
  6. Step 6: Final answer
    x = 462,959.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.