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Finding the Fourth Proportional to 336,374.70, 504,635.76 and 99,702.96

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Solution

The fourth proportional to 336,374.70, 504,635.76 and 99,702.96 is: 149,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,374.70 : 504,635.76 = 99,702.96 : x
  2. Step 2: Convert to fraction form
    336,374.70/504,635.76 = 99,702.96/x
  3. Step 3: Cross multiply
    336,374.70x = 504,635.76 × 99,702.96
  4. Step 4: Simplify right side
    336,374.70x = 50,313,678,993.85
  5. Step 5: Solve for x
    x = 50,313,678,993.85/336,374.70
  6. Step 6: Final answer
    x = 149,576.29

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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.