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Finding the Fourth Proportional to 482,652.40, 724,151.40 and 202,255.60

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Solution

The fourth proportional to 482,652.40, 724,151.40 and 202,255.60 is: 303,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,652.40 : 724,151.40 = 202,255.60 : x
  2. Step 2: Convert to fraction form
    482,652.40/724,151.40 = 202,255.60/x
  3. Step 3: Cross multiply
    482,652.40x = 724,151.40 × 202,255.60
  4. Step 4: Simplify right side
    482,652.40x = 146,463,675,897.84
  5. Step 5: Solve for x
    x = 146,463,675,897.84/482,652.40
  6. Step 6: Final answer
    x = 303,455.81

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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.