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Finding the Fourth Proportional to 340,336.00, 510,508.11 and 103,680.73

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Solution

The fourth proportional to 340,336.00, 510,508.11 and 103,680.73 is: 155,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,336.00 : 510,508.11 = 103,680.73 : x
  2. Step 2: Convert to fraction form
    340,336.00/510,508.11 = 103,680.73/x
  3. Step 3: Cross multiply
    340,336.00x = 510,508.11 × 103,680.73
  4. Step 4: Simplify right side
    340,336.00x = 52,929,855,249.46
  5. Step 5: Solve for x
    x = 52,929,855,249.46/340,336.00
  6. Step 6: Final answer
    x = 155,522.35

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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.