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Finding the Fourth Proportional to 341,414.10, 512,121.15 and 235,125.90

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Solution

The fourth proportional to 341,414.10, 512,121.15 and 235,125.90 is: 352,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,414.10 : 512,121.15 = 235,125.90 : x
  2. Step 2: Convert to fraction form
    341,414.10/512,121.15 = 235,125.90/x
  3. Step 3: Cross multiply
    341,414.10x = 512,121.15 × 235,125.90
  4. Step 4: Simplify right side
    341,414.10x = 120,412,946,302.79
  5. Step 5: Solve for x
    x = 120,412,946,302.79/341,414.10
  6. Step 6: Final answer
    x = 352,688.85

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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.