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Finding the Fourth Proportional to 621,817.80, 932,726.70 and 222,471.60

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Solution

The fourth proportional to 621,817.80, 932,726.70 and 222,471.60 is: 333,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,817.80 : 932,726.70 = 222,471.60 : x
  2. Step 2: Convert to fraction form
    621,817.80/932,726.70 = 222,471.60/x
  3. Step 3: Cross multiply
    621,817.80x = 932,726.70 × 222,471.60
  4. Step 4: Simplify right side
    621,817.80x = 207,505,201,311.72
  5. Step 5: Solve for x
    x = 207,505,201,311.72/621,817.80
  6. Step 6: Final answer
    x = 333,707.40

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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.