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Finding the Fourth Proportional to 400,667.52, 600,115.20 and 274,007.52

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Solution

The fourth proportional to 400,667.52, 600,115.20 and 274,007.52 is: 410,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,667.52 : 600,115.20 = 274,007.52 : x
  2. Step 2: Convert to fraction form
    400,667.52/600,115.20 = 274,007.52/x
  3. Step 3: Cross multiply
    400,667.52x = 600,115.20 × 274,007.52
  4. Step 4: Simplify right side
    400,667.52x = 164,436,077,666.30
  5. Step 5: Solve for x
    x = 164,436,077,666.30/400,667.52
  6. Step 6: Final answer
    x = 410,405.31

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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.