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Finding the Fourth Proportional to 383,005.67, 574,509.11 and 158,119.29

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Solution

The fourth proportional to 383,005.67, 574,509.11 and 158,119.29 is: 237,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,005.67 : 574,509.11 = 158,119.29 : x
  2. Step 2: Convert to fraction form
    383,005.67/574,509.11 = 158,119.29/x
  3. Step 3: Cross multiply
    383,005.67x = 574,509.11 × 158,119.29
  4. Step 4: Simplify right side
    383,005.67x = 90,840,971,781.14
  5. Step 5: Solve for x
    x = 90,840,971,781.14/383,005.67
  6. Step 6: Final answer
    x = 237,179.19

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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.