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Finding the Fourth Proportional to 356,183.60, 534,145.80 and 178,631.60

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Solution

The fourth proportional to 356,183.60, 534,145.80 and 178,631.60 is: 267,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,183.60 : 534,145.80 = 178,631.60 : x
  2. Step 2: Convert to fraction form
    356,183.60/534,145.80 = 178,631.60/x
  3. Step 3: Cross multiply
    356,183.60x = 534,145.80 × 178,631.60
  4. Step 4: Simplify right side
    356,183.60x = 95,415,318,887.28
  5. Step 5: Solve for x
    x = 95,415,318,887.28/356,183.60
  6. Step 6: Final answer
    x = 267,882.40

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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.