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Finding the Fourth Proportional to 352,742.40, 486,776.43 and 191,593.91

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Solution

The fourth proportional to 352,742.40, 486,776.43 and 191,593.91 is: 264,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,742.40 : 486,776.43 = 191,593.91 : x
  2. Step 2: Convert to fraction form
    352,742.40/486,776.43 = 191,593.91/x
  3. Step 3: Cross multiply
    352,742.40x = 486,776.43 × 191,593.91
  4. Step 4: Simplify right side
    352,742.40x = 93,263,397,085.66
  5. Step 5: Solve for x
    x = 93,263,397,085.66/352,742.40
  6. Step 6: Final answer
    x = 264,395.20

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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.