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Finding the Fourth Proportional to 337,492.70, 505,655.85 and 219,103.10

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Solution

The fourth proportional to 337,492.70, 505,655.85 and 219,103.10 is: 328,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,492.70 : 505,655.85 = 219,103.10 : x
  2. Step 2: Convert to fraction form
    337,492.70/505,655.85 = 219,103.10/x
  3. Step 3: Cross multiply
    337,492.70x = 505,655.85 × 219,103.10
  4. Step 4: Simplify right side
    337,492.70x = 110,790,764,268.14
  5. Step 5: Solve for x
    x = 110,790,764,268.14/337,492.70
  6. Step 6: Final answer
    x = 328,276.03

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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.