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Finding the Fourth Proportional to 267,573.78, 401,309.55 and 134,417.07

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Solution

The fourth proportional to 267,573.78, 401,309.55 and 134,417.07 is: 201,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,573.78 : 401,309.55 = 134,417.07 : x
  2. Step 2: Convert to fraction form
    267,573.78/401,309.55 = 134,417.07/x
  3. Step 3: Cross multiply
    267,573.78x = 401,309.55 × 134,417.07
  4. Step 4: Simplify right side
    267,573.78x = 53,942,853,874.02
  5. Step 5: Solve for x
    x = 53,942,853,874.02/267,573.78
  6. Step 6: Final answer
    x = 201,599.92

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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.