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Finding the Fourth Proportional to 293,615.20, 440,422.80 and 233,480.80

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Solution

The fourth proportional to 293,615.20, 440,422.80 and 233,480.80 is: 350,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,615.20 : 440,422.80 = 233,480.80 : x
  2. Step 2: Convert to fraction form
    293,615.20/440,422.80 = 233,480.80/x
  3. Step 3: Cross multiply
    293,615.20x = 440,422.80 × 233,480.80
  4. Step 4: Simplify right side
    293,615.20x = 102,830,267,682.24
  5. Step 5: Solve for x
    x = 102,830,267,682.24/293,615.20
  6. Step 6: Final answer
    x = 350,221.20

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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.