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Finding the Fourth Proportional to 351,998.80, 527,998.20 and 226,027.60

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Solution

The fourth proportional to 351,998.80, 527,998.20 and 226,027.60 is: 339,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,998.80 : 527,998.20 = 226,027.60 : x
  2. Step 2: Convert to fraction form
    351,998.80/527,998.20 = 226,027.60/x
  3. Step 3: Cross multiply
    351,998.80x = 527,998.20 × 226,027.60
  4. Step 4: Simplify right side
    351,998.80x = 119,342,165,950.32
  5. Step 5: Solve for x
    x = 119,342,165,950.32/351,998.80
  6. Step 6: Final answer
    x = 339,041.40

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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.