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Finding the Fourth Proportional to 452,469.10, 679,141.05 and 228,082.90

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Solution

The fourth proportional to 452,469.10, 679,141.05 and 228,082.90 is: 342,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,469.10 : 679,141.05 = 228,082.90 : x
  2. Step 2: Convert to fraction form
    452,469.10/679,141.05 = 228,082.90/x
  3. Step 3: Cross multiply
    452,469.10x = 679,141.05 × 228,082.90
  4. Step 4: Simplify right side
    452,469.10x = 154,900,460,193.05
  5. Step 5: Solve for x
    x = 154,900,460,193.05/452,469.10
  6. Step 6: Final answer
    x = 342,344.84

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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.