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Finding the Fourth Proportional to 365,005.20, 547,610.20 and 178,022.80

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Solution

The fourth proportional to 365,005.20, 547,610.20 and 178,022.80 is: 267,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,005.20 : 547,610.20 = 178,022.80 : x
  2. Step 2: Convert to fraction form
    365,005.20/547,610.20 = 178,022.80/x
  3. Step 3: Cross multiply
    365,005.20x = 547,610.20 × 178,022.80
  4. Step 4: Simplify right side
    365,005.20x = 97,487,101,112.56
  5. Step 5: Solve for x
    x = 97,487,101,112.56/365,005.20
  6. Step 6: Final answer
    x = 267,084.14

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1.5x scale

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.