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Finding the Fourth Proportional to 352,365.87, 486,265.22 and 191,220.93

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Solution

The fourth proportional to 352,365.87, 486,265.22 and 191,220.93 is: 263,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,365.87 : 486,265.22 = 191,220.93 : x
  2. Step 2: Convert to fraction form
    352,365.87/486,265.22 = 191,220.93/x
  3. Step 3: Cross multiply
    352,365.87x = 486,265.22 × 191,220.93
  4. Step 4: Simplify right side
    352,365.87x = 92,984,087,064.03
  5. Step 5: Solve for x
    x = 92,984,087,064.03/352,365.87
  6. Step 6: Final answer
    x = 263,885.05

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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.