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Finding the Fourth Proportional to 271,472.36, 374,649.57 and 156,755.84

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Solution

The fourth proportional to 271,472.36, 374,649.57 and 156,755.84 is: 216,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,472.36 : 374,649.57 = 156,755.84 : x
  2. Step 2: Convert to fraction form
    271,472.36/374,649.57 = 156,755.84/x
  3. Step 3: Cross multiply
    271,472.36x = 374,649.57 × 156,755.84
  4. Step 4: Simplify right side
    271,472.36x = 58,728,506,177.74
  5. Step 5: Solve for x
    x = 58,728,506,177.74/271,472.36
  6. Step 6: Final answer
    x = 216,333.28

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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.