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Finding the Fourth Proportional to 267,223.42, 368,676.78 and 152,419.57

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Solution

The fourth proportional to 267,223.42, 368,676.78 and 152,419.57 is: 210,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,223.42 : 368,676.78 = 152,419.57 : x
  2. Step 2: Convert to fraction form
    267,223.42/368,676.78 = 152,419.57/x
  3. Step 3: Cross multiply
    267,223.42x = 368,676.78 × 152,419.57
  4. Step 4: Simplify right side
    267,223.42x = 56,193,556,276.58
  5. Step 5: Solve for x
    x = 56,193,556,276.58/267,223.42
  6. Step 6: Final answer
    x = 210,286.79

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1.5x scale

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.