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Finding the Fourth Proportional to 613,296.12, 846,342.18 and 341,359.68

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Solution

The fourth proportional to 613,296.12, 846,342.18 and 341,359.68 is: 471,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,296.12 : 846,342.18 = 341,359.68 : x
  2. Step 2: Convert to fraction form
    613,296.12/846,342.18 = 341,359.68/x
  3. Step 3: Cross multiply
    613,296.12x = 846,342.18 × 341,359.68
  4. Step 4: Simplify right side
    613,296.12x = 288,907,095,735.30
  5. Step 5: Solve for x
    x = 288,907,095,735.30/613,296.12
  6. Step 6: Final answer
    x = 471,072.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.