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Finding the Fourth Proportional to 293,644.80, 440,467.20 and 169,228.80

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Solution

The fourth proportional to 293,644.80, 440,467.20 and 169,228.80 is: 253,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,644.80 : 440,467.20 = 169,228.80 : x
  2. Step 2: Convert to fraction form
    293,644.80/440,467.20 = 169,228.80/x
  3. Step 3: Cross multiply
    293,644.80x = 440,467.20 × 169,228.80
  4. Step 4: Simplify right side
    293,644.80x = 74,539,735,695.36
  5. Step 5: Solve for x
    x = 74,539,735,695.36/293,644.80
  6. Step 6: Final answer
    x = 253,843.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.