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Finding the Fourth Proportional to 298,580.73, 446,761.13 and 178,697.58

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Solution

The fourth proportional to 298,580.73, 446,761.13 and 178,697.58 is: 267,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,580.73 : 446,761.13 = 178,697.58 : x
  2. Step 2: Convert to fraction form
    298,580.73/446,761.13 = 178,697.58/x
  3. Step 3: Cross multiply
    298,580.73x = 446,761.13 × 178,697.58
  4. Step 4: Simplify right side
    298,580.73x = 79,835,131,875.58
  5. Step 5: Solve for x
    x = 79,835,131,875.58/298,580.73
  6. Step 6: Final answer
    x = 267,382.06

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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.