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Finding the Fourth Proportional to 308,822.40, 463,233.60 and 303,573.60

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Solution

The fourth proportional to 308,822.40, 463,233.60 and 303,573.60 is: 455,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,822.40 : 463,233.60 = 303,573.60 : x
  2. Step 2: Convert to fraction form
    308,822.40/463,233.60 = 303,573.60/x
  3. Step 3: Cross multiply
    308,822.40x = 463,233.60 × 303,573.60
  4. Step 4: Simplify right side
    308,822.40x = 140,625,491,592.96
  5. Step 5: Solve for x
    x = 140,625,491,592.96/308,822.40
  6. Step 6: Final answer
    x = 455,360.40

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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.