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Finding the Fourth Proportional to 383,337.15, 575,272.53 and 158,698.75

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Solution

The fourth proportional to 383,337.15, 575,272.53 and 158,698.75 is: 238,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,337.15 : 575,272.53 = 158,698.75 : x
  2. Step 2: Convert to fraction form
    383,337.15/575,272.53 = 158,698.75/x
  3. Step 3: Cross multiply
    383,337.15x = 575,272.53 × 158,698.75
  4. Step 4: Simplify right side
    383,337.15x = 91,295,029,982.16
  5. Step 5: Solve for x
    x = 91,295,029,982.16/383,337.15
  6. Step 6: Final answer
    x = 238,158.58

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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.