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Finding the Fourth Proportional to 267,836.88, 401,602.98 and 207,025.59

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Solution

The fourth proportional to 267,836.88, 401,602.98 and 207,025.59 is: 310,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,836.88 : 401,602.98 = 207,025.59 : x
  2. Step 2: Convert to fraction form
    267,836.88/401,602.98 = 207,025.59/x
  3. Step 3: Cross multiply
    267,836.88x = 401,602.98 × 207,025.59
  4. Step 4: Simplify right side
    267,836.88x = 83,142,093,880.26
  5. Step 5: Solve for x
    x = 83,142,093,880.26/267,836.88
  6. Step 6: Final answer
    x = 310,420.63

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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.