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Finding the Fourth Proportional to 358,398.44, 537,677.82 and 109,099.88

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Solution

The fourth proportional to 358,398.44, 537,677.82 and 109,099.88 is: 163,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,398.44 : 537,677.82 = 109,099.88 : x
  2. Step 2: Convert to fraction form
    358,398.44/537,677.82 = 109,099.88/x
  3. Step 3: Cross multiply
    358,398.44x = 537,677.82 × 109,099.88
  4. Step 4: Simplify right side
    358,398.44x = 58,660,585,640.66
  5. Step 5: Solve for x
    x = 58,660,585,640.66/358,398.44
  6. Step 6: Final answer
    x = 163,674.22

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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.