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Finding the Fourth Proportional to 351,052.70, 526,633.65 and 114,340.28

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Solution

The fourth proportional to 351,052.70, 526,633.65 and 114,340.28 is: 171,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,052.70 : 526,633.65 = 114,340.28 : x
  2. Step 2: Convert to fraction form
    351,052.70/526,633.65 = 114,340.28/x
  3. Step 3: Cross multiply
    351,052.70x = 526,633.65 × 114,340.28
  4. Step 4: Simplify right side
    351,052.70x = 60,215,438,998.42
  5. Step 5: Solve for x
    x = 60,215,438,998.42/351,052.70
  6. Step 6: Final answer
    x = 171,528.20

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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.