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Finding the Fourth Proportional to 338,166.91, 504,266.32 and 335,129.87

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Solution

The fourth proportional to 338,166.91, 504,266.32 and 335,129.87 is: 499,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,166.91 : 504,266.32 = 335,129.87 : x
  2. Step 2: Convert to fraction form
    338,166.91/504,266.32 = 335,129.87/x
  3. Step 3: Cross multiply
    338,166.91x = 504,266.32 × 335,129.87
  4. Step 4: Simplify right side
    338,166.91x = 168,994,706,266.98
  5. Step 5: Solve for x
    x = 168,994,706,266.98/338,166.91
  6. Step 6: Final answer
    x = 499,737.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.