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Finding the Fourth Proportional to 220,598.22, 304,448.04 and 129,982.44

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Solution

The fourth proportional to 220,598.22, 304,448.04 and 129,982.44 is: 179,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,598.22 : 304,448.04 = 129,982.44 : x
  2. Step 2: Convert to fraction form
    220,598.22/304,448.04 = 129,982.44/x
  3. Step 3: Cross multiply
    220,598.22x = 304,448.04 × 129,982.44
  4. Step 4: Simplify right side
    220,598.22x = 39,572,899,092.42
  5. Step 5: Solve for x
    x = 39,572,899,092.42/220,598.22
  6. Step 6: Final answer
    x = 179,389.02

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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.