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Finding the Fourth Proportional to 617,963.43, 926,196.60 and 262,230.15

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Solution

The fourth proportional to 617,963.43, 926,196.60 and 262,230.15 is: 393,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,963.43 : 926,196.60 = 262,230.15 : x
  2. Step 2: Convert to fraction form
    617,963.43/926,196.60 = 262,230.15/x
  3. Step 3: Cross multiply
    617,963.43x = 926,196.60 × 262,230.15
  4. Step 4: Simplify right side
    617,963.43x = 242,876,673,347.49
  5. Step 5: Solve for x
    x = 242,876,673,347.49/617,963.43
  6. Step 6: Final answer
    x = 393,027.58

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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.