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Finding the Fourth Proportional to 297,512.76, 410,568.30 and 163,385.40

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Solution

The fourth proportional to 297,512.76, 410,568.30 and 163,385.40 is: 225,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,512.76 : 410,568.30 = 163,385.40 : x
  2. Step 2: Convert to fraction form
    297,512.76/410,568.30 = 163,385.40/x
  3. Step 3: Cross multiply
    297,512.76x = 410,568.30 × 163,385.40
  4. Step 4: Simplify right side
    297,512.76x = 67,080,865,922.82
  5. Step 5: Solve for x
    x = 67,080,865,922.82/297,512.76
  6. Step 6: Final answer
    x = 225,472.23

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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.