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Finding the Fourth Proportional to 341,186, 512,222.48 and 262,355.58

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Solution

The fourth proportional to 341,186, 512,222.48 and 262,355.58 is: 393,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,186 : 512,222.48 = 262,355.58 : x
  2. Step 2: Convert to fraction form
    341,186/512,222.48 = 262,355.58/x
  3. Step 3: Cross multiply
    341,186x = 512,222.48 × 262,355.58
  4. Step 4: Simplify right side
    341,186x = 134,384,425,829.44
  5. Step 5: Solve for x
    x = 134,384,425,829.44/341,186
  6. Step 6: Final answer
    x = 393,874.38

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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.