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Finding the Fourth Proportional to 393,950.69, 591,110.56 and 194,162.16

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Solution

The fourth proportional to 393,950.69, 591,110.56 and 194,162.16 is: 291,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,950.69 : 591,110.56 = 194,162.16 : x
  2. Step 2: Convert to fraction form
    393,950.69/591,110.56 = 194,162.16/x
  3. Step 3: Cross multiply
    393,950.69x = 591,110.56 × 194,162.16
  4. Step 4: Simplify right side
    393,950.69x = 114,771,305,587.78
  5. Step 5: Solve for x
    x = 114,771,305,587.78/393,950.69
  6. Step 6: Final answer
    x = 291,334.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.