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Finding the Fourth Proportional to 482,794.40, 724,191.60 and 127,844.30

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Solution

The fourth proportional to 482,794.40, 724,191.60 and 127,844.30 is: 191,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,794.40 : 724,191.60 = 127,844.30 : x
  2. Step 2: Convert to fraction form
    482,794.40/724,191.60 = 127,844.30/x
  3. Step 3: Cross multiply
    482,794.40x = 724,191.60 × 127,844.30
  4. Step 4: Simplify right side
    482,794.40x = 92,583,768,167.88
  5. Step 5: Solve for x
    x = 92,583,768,167.88/482,794.40
  6. Step 6: Final answer
    x = 191,766.45

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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.