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Finding the Fourth Proportional to 346,311.20, 519,855.60 and 267,773.60

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Solution

The fourth proportional to 346,311.20, 519,855.60 and 267,773.60 is: 401,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,311.20 : 519,855.60 = 267,773.60 : x
  2. Step 2: Convert to fraction form
    346,311.20/519,855.60 = 267,773.60/x
  3. Step 3: Cross multiply
    346,311.20x = 519,855.60 × 267,773.60
  4. Step 4: Simplify right side
    346,311.20x = 139,203,605,492.16
  5. Step 5: Solve for x
    x = 139,203,605,492.16/346,311.20
  6. Step 6: Final answer
    x = 401,961.03

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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.