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Finding the Fourth Proportional to 439,438.27, 606,441.14 and 248,440.27

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Solution

The fourth proportional to 439,438.27, 606,441.14 and 248,440.27 is: 342,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,438.27 : 606,441.14 = 248,440.27 : x
  2. Step 2: Convert to fraction form
    439,438.27/606,441.14 = 248,440.27/x
  3. Step 3: Cross multiply
    439,438.27x = 606,441.14 × 248,440.27
  4. Step 4: Simplify right side
    439,438.27x = 150,664,399,665.71
  5. Step 5: Solve for x
    x = 150,664,399,665.71/439,438.27
  6. Step 6: Final answer
    x = 342,856.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.