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Finding the Fourth Proportional to 383,402.42, 575,220.43 and 181,153.83

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Solution

The fourth proportional to 383,402.42, 575,220.43 and 181,153.83 is: 271,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,402.42 : 575,220.43 = 181,153.83 : x
  2. Step 2: Convert to fraction form
    383,402.42/575,220.43 = 181,153.83/x
  3. Step 3: Cross multiply
    383,402.42x = 575,220.43 × 181,153.83
  4. Step 4: Simplify right side
    383,402.42x = 104,203,380,206.88
  5. Step 5: Solve for x
    x = 104,203,380,206.88/383,402.42
  6. Step 6: Final answer
    x = 271,785.93

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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.