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Finding the Fourth Proportional to 974,791.26, 1,462,212 and 462,336.66

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Solution

The fourth proportional to 974,791.26, 1,462,212 and 462,336.66 is: 693,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,791.26 : 1,462,212 = 462,336.66 : x
  2. Step 2: Convert to fraction form
    974,791.26/1,462,212 = 462,336.66/x
  3. Step 3: Cross multiply
    974,791.26x = 1,462,212 × 462,336.66
  4. Step 4: Simplify right side
    974,791.26x = 676,034,212,291.92
  5. Step 5: Solve for x
    x = 676,034,212,291.92/974,791.26
  6. Step 6: Final answer
    x = 693,516.90

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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.