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Finding the Fourth Proportional to 591,908.92, 816,876 and 333,808.96

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Solution

The fourth proportional to 591,908.92, 816,876 and 333,808.96 is: 460,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,908.92 : 816,876 = 333,808.96 : x
  2. Step 2: Convert to fraction form
    591,908.92/816,876 = 333,808.96/x
  3. Step 3: Cross multiply
    591,908.92x = 816,876 × 333,808.96
  4. Step 4: Simplify right side
    591,908.92x = 272,680,528,008.96
  5. Step 5: Solve for x
    x = 272,680,528,008.96/591,908.92
  6. Step 6: Final answer
    x = 460,679.88

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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.