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Finding the Fourth Proportional to 297,615.64, 410,712.60 and 161,650.92

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Solution

The fourth proportional to 297,615.64, 410,712.60 and 161,650.92 is: 223,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,615.64 : 410,712.60 = 161,650.92 : x
  2. Step 2: Convert to fraction form
    297,615.64/410,712.60 = 161,650.92/x
  3. Step 3: Cross multiply
    297,615.64x = 410,712.60 × 161,650.92
  4. Step 4: Simplify right side
    297,615.64x = 66,392,069,645.59
  5. Step 5: Solve for x
    x = 66,392,069,645.59/297,615.64
  6. Step 6: Final answer
    x = 223,079.91

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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.