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Finding the Fourth Proportional to 361,893.78, 543,688.97 and 341,444.25

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Solution

The fourth proportional to 361,893.78, 543,688.97 and 341,444.25 is: 512,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,893.78 : 543,688.97 = 341,444.25 : x
  2. Step 2: Convert to fraction form
    361,893.78/543,688.97 = 341,444.25/x
  3. Step 3: Cross multiply
    361,893.78x = 543,688.97 × 341,444.25
  4. Step 4: Simplify right side
    361,893.78x = 185,639,470,887.70
  5. Step 5: Solve for x
    x = 185,639,470,887.70/361,893.78
  6. Step 6: Final answer
    x = 512,966.74

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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.