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Finding the Fourth Proportional to 340,651.54, 506,956.29 and 329,299.64

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Solution

The fourth proportional to 340,651.54, 506,956.29 and 329,299.64 is: 490,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,651.54 : 506,956.29 = 329,299.64 : x
  2. Step 2: Convert to fraction form
    340,651.54/506,956.29 = 329,299.64/x
  3. Step 3: Cross multiply
    340,651.54x = 506,956.29 × 329,299.64
  4. Step 4: Simplify right side
    340,651.54x = 166,940,523,792.74
  5. Step 5: Solve for x
    x = 166,940,523,792.74/340,651.54
  6. Step 6: Final answer
    x = 490,062.44

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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.