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Finding the Fourth Proportional to 483,142.26, 666,714.06 and 268,296.06

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Solution

The fourth proportional to 483,142.26, 666,714.06 and 268,296.06 is: 370,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,142.26 : 666,714.06 = 268,296.06 : x
  2. Step 2: Convert to fraction form
    483,142.26/666,714.06 = 268,296.06/x
  3. Step 3: Cross multiply
    483,142.26x = 666,714.06 × 268,296.06
  4. Step 4: Simplify right side
    483,142.26x = 178,876,755,444.60
  5. Step 5: Solve for x
    x = 178,876,755,444.60/483,142.26
  6. Step 6: Final answer
    x = 370,236.20

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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.