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Finding the Fourth Proportional to 492,781.60, 739,172.40 and 334,151.20

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Solution

The fourth proportional to 492,781.60, 739,172.40 and 334,151.20 is: 501,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,781.60 : 739,172.40 = 334,151.20 : x
  2. Step 2: Convert to fraction form
    492,781.60/739,172.40 = 334,151.20/x
  3. Step 3: Cross multiply
    492,781.60x = 739,172.40 × 334,151.20
  4. Step 4: Simplify right side
    492,781.60x = 246,995,344,466.88
  5. Step 5: Solve for x
    x = 246,995,344,466.88/492,781.60
  6. Step 6: Final answer
    x = 501,226.80

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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.