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Finding the Fourth Proportional to 271,548.36, 374,754.50 and 156,831.88

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Solution

The fourth proportional to 271,548.36, 374,754.50 and 156,831.88 is: 216,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,548.36 : 374,754.50 = 156,831.88 : x
  2. Step 2: Convert to fraction form
    271,548.36/374,754.50 = 156,831.88/x
  3. Step 3: Cross multiply
    271,548.36x = 374,754.50 × 156,831.88
  4. Step 4: Simplify right side
    271,548.36x = 58,773,452,773.46
  5. Step 5: Solve for x
    x = 58,773,452,773.46/271,548.36
  6. Step 6: Final answer
    x = 216,438.25

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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.