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Finding the Fourth Proportional to 341,394.10, 512,091.15 and 235,105.90

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Solution

The fourth proportional to 341,394.10, 512,091.15 and 235,105.90 is: 352,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,394.10 : 512,091.15 = 235,105.90 : x
  2. Step 2: Convert to fraction form
    341,394.10/512,091.15 = 235,105.90/x
  3. Step 3: Cross multiply
    341,394.10x = 512,091.15 × 235,105.90
  4. Step 4: Simplify right side
    341,394.10x = 120,395,650,702.79
  5. Step 5: Solve for x
    x = 120,395,650,702.79/341,394.10
  6. Step 6: Final answer
    x = 352,658.85

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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.