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Finding the Fourth Proportional to 271,506.41, 374,733.41 and 156,803.72

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Solution

The fourth proportional to 271,506.41, 374,733.41 and 156,803.72 is: 216,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,506.41 : 374,733.41 = 156,803.72 : x
  2. Step 2: Convert to fraction form
    271,506.41/374,733.41 = 156,803.72/x
  3. Step 3: Cross multiply
    271,506.41x = 374,733.41 × 156,803.72
  4. Step 4: Simplify right side
    271,506.41x = 58,759,594,523.44
  5. Step 5: Solve for x
    x = 58,759,594,523.44/271,506.41
  6. Step 6: Final answer
    x = 216,420.66

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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.