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Finding the Fourth Proportional to 490,872.46, 736,269.74 and 175,296.46

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Solution

The fourth proportional to 490,872.46, 736,269.74 and 175,296.46 is: 262,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,872.46 : 736,269.74 = 175,296.46 : x
  2. Step 2: Convert to fraction form
    490,872.46/736,269.74 = 175,296.46/x
  3. Step 3: Cross multiply
    490,872.46x = 736,269.74 × 175,296.46
  4. Step 4: Simplify right side
    490,872.46x = 129,065,479,027.12
  5. Step 5: Solve for x
    x = 129,065,479,027.12/490,872.46
  6. Step 6: Final answer
    x = 262,930.78

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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.