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Finding the Fourth Proportional to 411,197.53, 567,608.63 and 368,099.40

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Solution

The fourth proportional to 411,197.53, 567,608.63 and 368,099.40 is: 508,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,197.53 : 567,608.63 = 368,099.40 : x
  2. Step 2: Convert to fraction form
    411,197.53/567,608.63 = 368,099.40/x
  3. Step 3: Cross multiply
    411,197.53x = 567,608.63 × 368,099.40
  4. Step 4: Simplify right side
    411,197.53x = 208,936,396,137.82
  5. Step 5: Solve for x
    x = 208,936,396,137.82/411,197.53
  6. Step 6: Final answer
    x = 508,116.86

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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.