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Finding the Fourth Proportional to 414,466.60, 620,663.10 and 331,522.60

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Solution

The fourth proportional to 414,466.60, 620,663.10 and 331,522.60 is: 496,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,466.60 : 620,663.10 = 331,522.60 : x
  2. Step 2: Convert to fraction form
    414,466.60/620,663.10 = 331,522.60/x
  3. Step 3: Cross multiply
    414,466.60x = 620,663.10 × 331,522.60
  4. Step 4: Simplify right side
    414,466.60x = 205,763,844,636.06
  5. Step 5: Solve for x
    x = 205,763,844,636.06/414,466.60
  6. Step 6: Final answer
    x = 496,454.59

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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.