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Finding the Fourth Proportional to 617,461.20, 926,191.80 and 174,229.20

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Solution

The fourth proportional to 617,461.20, 926,191.80 and 174,229.20 is: 261,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,461.20 : 926,191.80 = 174,229.20 : x
  2. Step 2: Convert to fraction form
    617,461.20/926,191.80 = 174,229.20/x
  3. Step 3: Cross multiply
    617,461.20x = 926,191.80 × 174,229.20
  4. Step 4: Simplify right side
    617,461.20x = 161,369,656,360.56
  5. Step 5: Solve for x
    x = 161,369,656,360.56/617,461.20
  6. Step 6: Final answer
    x = 261,343.80

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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.