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Finding the Fourth Proportional to 482,804.80, 724,293.60 and 202,350.40

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Solution

The fourth proportional to 482,804.80, 724,293.60 and 202,350.40 is: 303,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,804.80 : 724,293.60 = 202,350.40 : x
  2. Step 2: Convert to fraction form
    482,804.80/724,293.60 = 202,350.40/x
  3. Step 3: Cross multiply
    482,804.80x = 724,293.60 × 202,350.40
  4. Step 4: Simplify right side
    482,804.80x = 146,561,099,677.44
  5. Step 5: Solve for x
    x = 146,561,099,677.44/482,804.80
  6. Step 6: Final answer
    x = 303,561.81

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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.