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Finding the Fourth Proportional to 340,650.08, 510,493.28 and 188,914.32

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Solution

The fourth proportional to 340,650.08, 510,493.28 and 188,914.32 is: 283,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,650.08 : 510,493.28 = 188,914.32 : x
  2. Step 2: Convert to fraction form
    340,650.08/510,493.28 = 188,914.32/x
  3. Step 3: Cross multiply
    340,650.08x = 510,493.28 × 188,914.32
  4. Step 4: Simplify right side
    340,650.08x = 96,439,490,855.77
  5. Step 5: Solve for x
    x = 96,439,490,855.77/340,650.08
  6. Step 6: Final answer
    x = 283,104.27

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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.