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Finding the Fourth Proportional to 352,446.58, 486,376.77 and 191,301.66

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Solution

The fourth proportional to 352,446.58, 486,376.77 and 191,301.66 is: 263,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,446.58 : 486,376.77 = 191,301.66 : x
  2. Step 2: Convert to fraction form
    352,446.58/486,376.77 = 191,301.66/x
  3. Step 3: Cross multiply
    352,446.58x = 486,376.77 × 191,301.66
  4. Step 4: Simplify right side
    352,446.58x = 93,044,683,486.44
  5. Step 5: Solve for x
    x = 93,044,683,486.44/352,446.58
  6. Step 6: Final answer
    x = 263,996.56

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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.