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Finding the Fourth Proportional to 352,366.06, 486,265.48 and 191,221.12

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Solution

The fourth proportional to 352,366.06, 486,265.48 and 191,221.12 is: 263,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,366.06 : 486,265.48 = 191,221.12 : x
  2. Step 2: Convert to fraction form
    352,366.06/486,265.48 = 191,221.12/x
  3. Step 3: Cross multiply
    352,366.06x = 486,265.48 × 191,221.12
  4. Step 4: Simplify right side
    352,366.06x = 92,984,229,702.94
  5. Step 5: Solve for x
    x = 92,984,229,702.94/352,366.06
  6. Step 6: Final answer
    x = 263,885.32

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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.