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Finding the Fourth Proportional to 297,335.99, 410,316.90 and 161,370.20

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Solution

The fourth proportional to 297,335.99, 410,316.90 and 161,370.20 is: 222,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,335.99 : 410,316.90 = 161,370.20 : x
  2. Step 2: Convert to fraction form
    297,335.99/410,316.90 = 161,370.20/x
  3. Step 3: Cross multiply
    297,335.99x = 410,316.90 × 161,370.20
  4. Step 4: Simplify right side
    297,335.99x = 66,212,920,216.38
  5. Step 5: Solve for x
    x = 66,212,920,216.38/297,335.99
  6. Step 6: Final answer
    x = 222,687.20

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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.