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Finding the Fourth Proportional to 400,609.52, 600,772.12 and 147,836.04

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Solution

The fourth proportional to 400,609.52, 600,772.12 and 147,836.04 is: 221,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,609.52 : 600,772.12 = 147,836.04 : x
  2. Step 2: Convert to fraction form
    400,609.52/600,772.12 = 147,836.04/x
  3. Step 3: Cross multiply
    400,609.52x = 600,772.12 × 147,836.04
  4. Step 4: Simplify right side
    400,609.52x = 88,815,771,163.20
  5. Step 5: Solve for x
    x = 88,815,771,163.20/400,609.52
  6. Step 6: Final answer
    x = 221,701.60

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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.