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Finding the Fourth Proportional to 271,554.55, 407,324.95 and 129,500.24

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Solution

The fourth proportional to 271,554.55, 407,324.95 and 129,500.24 is: 194,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,554.55 : 407,324.95 = 129,500.24 : x
  2. Step 2: Convert to fraction form
    271,554.55/407,324.95 = 129,500.24/x
  3. Step 3: Cross multiply
    271,554.55x = 407,324.95 × 129,500.24
  4. Step 4: Simplify right side
    271,554.55x = 52,748,680,587.86
  5. Step 5: Solve for x
    x = 52,748,680,587.86/271,554.55
  6. Step 6: Final answer
    x = 194,247.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.