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Finding the Fourth Proportional to 267,380.13, 368,948.47 and 152,651.48

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Solution

The fourth proportional to 267,380.13, 368,948.47 and 152,651.48 is: 210,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,380.13 : 368,948.47 = 152,651.48 : x
  2. Step 2: Convert to fraction form
    267,380.13/368,948.47 = 152,651.48/x
  3. Step 3: Cross multiply
    267,380.13x = 368,948.47 × 152,651.48
  4. Step 4: Simplify right side
    267,380.13x = 56,320,529,989.24
  5. Step 5: Solve for x
    x = 56,320,529,989.24/267,380.13
  6. Step 6: Final answer
    x = 210,638.43

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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.