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Finding the Fourth Proportional to 341,179.62, 512,212.91 and 262,349.21

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Solution

The fourth proportional to 341,179.62, 512,212.91 and 262,349.21 is: 393,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,179.62 : 512,212.91 = 262,349.21 : x
  2. Step 2: Convert to fraction form
    341,179.62/512,212.91 = 262,349.21/x
  3. Step 3: Cross multiply
    341,179.62x = 512,212.91 × 262,349.21
  4. Step 4: Simplify right side
    341,179.62x = 134,378,648,417.49
  5. Step 5: Solve for x
    x = 134,378,648,417.49/341,179.62
  6. Step 6: Final answer
    x = 393,864.82

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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.