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Finding the Fourth Proportional to 383,338.46, 575,274.50 and 158,700.06

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Solution

The fourth proportional to 383,338.46, 575,274.50 and 158,700.06 is: 238,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,338.46 : 575,274.50 = 158,700.06 : x
  2. Step 2: Convert to fraction form
    383,338.46/575,274.50 = 158,700.06/x
  3. Step 3: Cross multiply
    383,338.46x = 575,274.50 × 158,700.06
  4. Step 4: Simplify right side
    383,338.46x = 91,296,097,468.09
  5. Step 5: Solve for x
    x = 91,296,097,468.09/383,338.46
  6. Step 6: Final answer
    x = 238,160.55

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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.