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Finding the Fourth Proportional to 358,544.28, 537,820.74 and 109,228.44

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Solution

The fourth proportional to 358,544.28, 537,820.74 and 109,228.44 is: 163,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,544.28 : 537,820.74 = 109,228.44 : x
  2. Step 2: Convert to fraction form
    358,544.28/537,820.74 = 109,228.44/x
  3. Step 3: Cross multiply
    358,544.28x = 537,820.74 × 109,228.44
  4. Step 4: Simplify right side
    358,544.28x = 58,745,320,429.85
  5. Step 5: Solve for x
    x = 58,745,320,429.85/358,544.28
  6. Step 6: Final answer
    x = 163,843.98

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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.