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Finding the Fourth Proportional to 340,474, 510,808.44 and 115,883.92

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Solution

The fourth proportional to 340,474, 510,808.44 and 115,883.92 is: 173,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,474 : 510,808.44 = 115,883.92 : x
  2. Step 2: Convert to fraction form
    340,474/510,808.44 = 115,883.92/x
  3. Step 3: Cross multiply
    340,474x = 510,808.44 × 115,883.92
  4. Step 4: Simplify right side
    340,474x = 59,194,484,396.28
  5. Step 5: Solve for x
    x = 59,194,484,396.28/340,474
  6. Step 6: Final answer
    x = 173,859.04

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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.