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Finding the Fourth Proportional to 488,056.56, 731,018.48 and 202,882.56

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Solution

The fourth proportional to 488,056.56, 731,018.48 and 202,882.56 is: 303,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,056.56 : 731,018.48 = 202,882.56 : x
  2. Step 2: Convert to fraction form
    488,056.56/731,018.48 = 202,882.56/x
  3. Step 3: Cross multiply
    488,056.56x = 731,018.48 × 202,882.56
  4. Step 4: Simplify right side
    488,056.56x = 148,310,900,629.71
  5. Step 5: Solve for x
    x = 148,310,900,629.71/488,056.56
  6. Step 6: Final answer
    x = 303,880.56

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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.