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Finding the Fourth Proportional to 383,337.71, 575,273.37 and 158,699.31

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Solution

The fourth proportional to 383,337.71, 575,273.37 and 158,699.31 is: 238,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,337.71 : 575,273.37 = 158,699.31 : x
  2. Step 2: Convert to fraction form
    383,337.71/575,273.37 = 158,699.31/x
  3. Step 3: Cross multiply
    383,337.71x = 575,273.37 × 158,699.31
  4. Step 4: Simplify right side
    383,337.71x = 91,295,487,475.50
  5. Step 5: Solve for x
    x = 91,295,487,475.50/383,337.71
  6. Step 6: Final answer
    x = 238,159.42

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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.