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Finding the Fourth Proportional to 468,990.40, 703,485.60 and 202,565.20

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Solution

The fourth proportional to 468,990.40, 703,485.60 and 202,565.20 is: 303,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,990.40 : 703,485.60 = 202,565.20 : x
  2. Step 2: Convert to fraction form
    468,990.40/703,485.60 = 202,565.20/x
  3. Step 3: Cross multiply
    468,990.40x = 703,485.60 × 202,565.20
  4. Step 4: Simplify right side
    468,990.40x = 142,501,701,261.12
  5. Step 5: Solve for x
    x = 142,501,701,261.12/468,990.40
  6. Step 6: Final answer
    x = 303,847.80

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Similar ratio
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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.