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Finding the Fourth Proportional to 462,097.69, 693,225.35 and 206,023.18

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Solution

The fourth proportional to 462,097.69, 693,225.35 and 206,023.18 is: 309,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,097.69 : 693,225.35 = 206,023.18 : x
  2. Step 2: Convert to fraction form
    462,097.69/693,225.35 = 206,023.18/x
  3. Step 3: Cross multiply
    462,097.69x = 693,225.35 × 206,023.18
  4. Step 4: Simplify right side
    462,097.69x = 142,820,491,531.70
  5. Step 5: Solve for x
    x = 142,820,491,531.70/462,097.69
  6. Step 6: Final answer
    x = 309,069.91

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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.