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Finding the Fourth Proportional to 267,477.21, 368,903.31 and 235,142.70

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Solution

The fourth proportional to 267,477.21, 368,903.31 and 235,142.70 is: 324,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,477.21 : 368,903.31 = 235,142.70 : x
  2. Step 2: Convert to fraction form
    267,477.21/368,903.31 = 235,142.70/x
  3. Step 3: Cross multiply
    267,477.21x = 368,903.31 × 235,142.70
  4. Step 4: Simplify right side
    267,477.21x = 86,744,920,352.34
  5. Step 5: Solve for x
    x = 86,744,920,352.34/267,477.21
  6. Step 6: Final answer
    x = 324,307.71

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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.