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Finding the Fourth Proportional to 447,610.80, 617,730.88 and 246,406.80

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Solution

The fourth proportional to 447,610.80, 617,730.88 and 246,406.80 is: 340,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,610.80 : 617,730.88 = 246,406.80 : x
  2. Step 2: Convert to fraction form
    447,610.80/617,730.88 = 246,406.80/x
  3. Step 3: Cross multiply
    447,610.80x = 617,730.88 × 246,406.80
  4. Step 4: Simplify right side
    447,610.80x = 152,213,089,401.98
  5. Step 5: Solve for x
    x = 152,213,089,401.98/447,610.80
  6. Step 6: Final answer
    x = 340,056.78

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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.