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Finding the Fourth Proportional to 337,419.20, 505,545.60 and 219,029.60

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Solution

The fourth proportional to 337,419.20, 505,545.60 and 219,029.60 is: 328,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,419.20 : 505,545.60 = 219,029.60 : x
  2. Step 2: Convert to fraction form
    337,419.20/505,545.60 = 219,029.60/x
  3. Step 3: Cross multiply
    337,419.20x = 505,545.60 × 219,029.60
  4. Step 4: Simplify right side
    337,419.20x = 110,729,450,549.76
  5. Step 5: Solve for x
    x = 110,729,450,549.76/337,419.20
  6. Step 6: Final answer
    x = 328,165.83

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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.