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Finding the Fourth Proportional to 329,025.60, 493,538.40 and 92,408.40

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Solution

The fourth proportional to 329,025.60, 493,538.40 and 92,408.40 is: 138,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,025.60 : 493,538.40 = 92,408.40 : x
  2. Step 2: Convert to fraction form
    329,025.60/493,538.40 = 92,408.40/x
  3. Step 3: Cross multiply
    329,025.60x = 493,538.40 × 92,408.40
  4. Step 4: Simplify right side
    329,025.60x = 45,607,093,882.56
  5. Step 5: Solve for x
    x = 45,607,093,882.56/329,025.60
  6. Step 6: Final answer
    x = 138,612.60

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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.