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Finding the Fourth Proportional to 383,338.59, 575,274.69 and 158,700.19

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Solution

The fourth proportional to 383,338.59, 575,274.69 and 158,700.19 is: 238,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,338.59 : 575,274.69 = 158,700.19 : x
  2. Step 2: Convert to fraction form
    383,338.59/575,274.69 = 158,700.19/x
  3. Step 3: Cross multiply
    383,338.59x = 575,274.69 × 158,700.19
  4. Step 4: Simplify right side
    383,338.59x = 91,296,198,935.32
  5. Step 5: Solve for x
    x = 91,296,198,935.32/383,338.59
  6. Step 6: Final answer
    x = 238,160.73

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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.