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Finding the Fourth Proportional to 445,172.60, 614,550.98 and 254,149.09

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Solution

The fourth proportional to 445,172.60, 614,550.98 and 254,149.09 is: 350,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,172.60 : 614,550.98 = 254,149.09 : x
  2. Step 2: Convert to fraction form
    445,172.60/614,550.98 = 254,149.09/x
  3. Step 3: Cross multiply
    445,172.60x = 614,550.98 × 254,149.09
  4. Step 4: Simplify right side
    445,172.60x = 156,187,572,325.61
  5. Step 5: Solve for x
    x = 156,187,572,325.61/445,172.60
  6. Step 6: Final answer
    x = 350,847.23

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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.