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Finding the Fourth Proportional to 352,266.56, 486,116.88 and 199,293.20

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Solution

The fourth proportional to 352,266.56, 486,116.88 and 199,293.20 is: 275,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,266.56 : 486,116.88 = 199,293.20 : x
  2. Step 2: Convert to fraction form
    352,266.56/486,116.88 = 199,293.20/x
  3. Step 3: Cross multiply
    352,266.56x = 486,116.88 × 199,293.20
  4. Step 4: Simplify right side
    352,266.56x = 96,879,788,589.22
  5. Step 5: Solve for x
    x = 96,879,788,589.22/352,266.56
  6. Step 6: Final answer
    x = 275,018.41

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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.