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Finding the Fourth Proportional to 441,396.81, 609,118.65 and 247,809.24

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Solution

The fourth proportional to 441,396.81, 609,118.65 and 247,809.24 is: 341,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,396.81 : 609,118.65 = 247,809.24 : x
  2. Step 2: Convert to fraction form
    441,396.81/609,118.65 = 247,809.24/x
  3. Step 3: Cross multiply
    441,396.81x = 609,118.65 × 247,809.24
  4. Step 4: Simplify right side
    441,396.81x = 150,945,229,726.33
  5. Step 5: Solve for x
    x = 150,945,229,726.33/441,396.81
  6. Step 6: Final answer
    x = 341,971.73

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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.