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Finding the Fourth Proportional to 273,018.60, 409,527.90 and 178,540.20

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Solution

The fourth proportional to 273,018.60, 409,527.90 and 178,540.20 is: 267,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,018.60 : 409,527.90 = 178,540.20 : x
  2. Step 2: Convert to fraction form
    273,018.60/409,527.90 = 178,540.20/x
  3. Step 3: Cross multiply
    273,018.60x = 409,527.90 × 178,540.20
  4. Step 4: Simplify right side
    273,018.60x = 73,117,193,171.58
  5. Step 5: Solve for x
    x = 73,117,193,171.58/273,018.60
  6. Step 6: Final answer
    x = 267,810.30

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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.