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Finding the Fourth Proportional to 617,493.88, 926,240.82 and 174,261.88

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Solution

The fourth proportional to 617,493.88, 926,240.82 and 174,261.88 is: 261,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,493.88 : 926,240.82 = 174,261.88 : x
  2. Step 2: Convert to fraction form
    617,493.88/926,240.82 = 174,261.88/x
  3. Step 3: Cross multiply
    617,493.88x = 926,240.82 × 174,261.88
  4. Step 4: Simplify right side
    617,493.88x = 161,408,466,625.94
  5. Step 5: Solve for x
    x = 161,408,466,625.94/617,493.88
  6. Step 6: Final answer
    x = 261,392.82

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Similar ratio
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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.