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Finding the Fourth Proportional to 383,393.04, 575,358.48 and 158,757.36

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Solution

The fourth proportional to 383,393.04, 575,358.48 and 158,757.36 is: 238,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,393.04 : 575,358.48 = 158,757.36 : x
  2. Step 2: Convert to fraction form
    383,393.04/575,358.48 = 158,757.36/x
  3. Step 3: Cross multiply
    383,393.04x = 575,358.48 × 158,757.36
  4. Step 4: Simplify right side
    383,393.04x = 91,342,393,338.41
  5. Step 5: Solve for x
    x = 91,342,393,338.41/383,393.04
  6. Step 6: Final answer
    x = 238,247.40

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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.