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Finding the Fourth Proportional to 468,573.75, 646,748.42 and 267,486.39

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Solution

The fourth proportional to 468,573.75, 646,748.42 and 267,486.39 is: 369,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,573.75 : 646,748.42 = 267,486.39 : x
  2. Step 2: Convert to fraction form
    468,573.75/646,748.42 = 267,486.39/x
  3. Step 3: Cross multiply
    468,573.75x = 646,748.42 × 267,486.39
  4. Step 4: Simplify right side
    468,573.75x = 172,996,398,766.57
  5. Step 5: Solve for x
    x = 172,996,398,766.57/468,573.75
  6. Step 6: Final answer
    x = 369,197.80

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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.