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Finding the Fourth Proportional to 445,170.60, 614,548.22 and 254,147.09

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Solution

The fourth proportional to 445,170.60, 614,548.22 and 254,147.09 is: 350,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,170.60 : 614,548.22 = 254,147.09 : x
  2. Step 2: Convert to fraction form
    445,170.60/614,548.22 = 254,147.09/x
  3. Step 3: Cross multiply
    445,170.60x = 614,548.22 × 254,147.09
  4. Step 4: Simplify right side
    445,170.60x = 156,185,637,434.20
  5. Step 5: Solve for x
    x = 156,185,637,434.20/445,170.60
  6. Step 6: Final answer
    x = 350,844.46

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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.