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Finding the Fourth Proportional to 482,877.20, 724,186.20 and 202,336.40

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Solution

The fourth proportional to 482,877.20, 724,186.20 and 202,336.40 is: 303,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,877.20 : 724,186.20 = 202,336.40 : x
  2. Step 2: Convert to fraction form
    482,877.20/724,186.20 = 202,336.40/x
  3. Step 3: Cross multiply
    482,877.20x = 724,186.20 × 202,336.40
  4. Step 4: Simplify right side
    482,877.20x = 146,529,228,637.68
  5. Step 5: Solve for x
    x = 146,529,228,637.68/482,877.20
  6. Step 6: Final answer
    x = 303,450.29

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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.