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Finding the Fourth Proportional to 297,300.09, 410,272.05 and 161,330.58

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Solution

The fourth proportional to 297,300.09, 410,272.05 and 161,330.58 is: 222,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,300.09 : 410,272.05 = 161,330.58 : x
  2. Step 2: Convert to fraction form
    297,300.09/410,272.05 = 161,330.58/x
  3. Step 3: Cross multiply
    297,300.09x = 410,272.05 × 161,330.58
  4. Step 4: Simplify right side
    297,300.09x = 66,189,427,784.29
  5. Step 5: Solve for x
    x = 66,189,427,784.29/297,300.09
  6. Step 6: Final answer
    x = 222,635.07

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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.