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Finding the Fourth Proportional to 441,415.46, 609,111.20 and 247,778.80

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Solution

The fourth proportional to 441,415.46, 609,111.20 and 247,778.80 is: 341,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,415.46 : 609,111.20 = 247,778.80 : x
  2. Step 2: Convert to fraction form
    441,415.46/609,111.20 = 247,778.80/x
  3. Step 3: Cross multiply
    441,415.46x = 609,111.20 × 247,778.80
  4. Step 4: Simplify right side
    441,415.46x = 150,924,842,202.56
  5. Step 5: Solve for x
    x = 150,924,842,202.56/441,415.46
  6. Step 6: Final answer
    x = 341,911.09

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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.