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Finding the Fourth Proportional to 267,311.39, 368,798.90 and 152,507.56

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Solution

The fourth proportional to 267,311.39, 368,798.90 and 152,507.56 is: 210,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,311.39 : 368,798.90 = 152,507.56 : x
  2. Step 2: Convert to fraction form
    267,311.39/368,798.90 = 152,507.56/x
  3. Step 3: Cross multiply
    267,311.39x = 368,798.90 × 152,507.56
  4. Step 4: Simplify right side
    267,311.39x = 56,244,619,805.57
  5. Step 5: Solve for x
    x = 56,244,619,805.57/267,311.39
  6. Step 6: Final answer
    x = 210,408.62

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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.