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Finding the Fourth Proportional to 267,309.40, 401,072.10 and 117,578.20

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Solution

The fourth proportional to 267,309.40, 401,072.10 and 117,578.20 is: 176,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,309.40 : 401,072.10 = 117,578.20 : x
  2. Step 2: Convert to fraction form
    267,309.40/401,072.10 = 117,578.20/x
  3. Step 3: Cross multiply
    267,309.40x = 401,072.10 × 117,578.20
  4. Step 4: Simplify right side
    267,309.40x = 47,157,335,588.22
  5. Step 5: Solve for x
    x = 47,157,335,588.22/267,309.40
  6. Step 6: Final answer
    x = 176,414.80

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1.5x scale

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.