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Finding the Fourth Proportional to 621,349.80, 932,024.70 and 222,003.60

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Solution

The fourth proportional to 621,349.80, 932,024.70 and 222,003.60 is: 333,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,349.80 : 932,024.70 = 222,003.60 : x
  2. Step 2: Convert to fraction form
    621,349.80/932,024.70 = 222,003.60/x
  3. Step 3: Cross multiply
    621,349.80x = 932,024.70 × 222,003.60
  4. Step 4: Simplify right side
    621,349.80x = 206,912,838,688.92
  5. Step 5: Solve for x
    x = 206,912,838,688.92/621,349.80
  6. Step 6: Final answer
    x = 333,005.40

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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.