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Finding the Fourth Proportional to 617,910.20, 926,174.10 and 262,863.80

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Solution

The fourth proportional to 617,910.20, 926,174.10 and 262,863.80 is: 394,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,910.20 : 926,174.10 = 262,863.80 : x
  2. Step 2: Convert to fraction form
    617,910.20/926,174.10 = 262,863.80/x
  3. Step 3: Cross multiply
    617,910.20x = 926,174.10 × 262,863.80
  4. Step 4: Simplify right side
    617,910.20x = 243,457,643,387.58
  5. Step 5: Solve for x
    x = 243,457,643,387.58/617,910.20
  6. Step 6: Final answer
    x = 394,001.66

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1.5x scale

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.