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Finding the Fourth Proportional to 517,202.45, 774,144.27 and 276,714.75

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Solution

The fourth proportional to 517,202.45, 774,144.27 and 276,714.75 is: 414,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,202.45 : 774,144.27 = 276,714.75 : x
  2. Step 2: Convert to fraction form
    517,202.45/774,144.27 = 276,714.75/x
  3. Step 3: Cross multiply
    517,202.45x = 774,144.27 × 276,714.75
  4. Step 4: Simplify right side
    517,202.45x = 214,217,138,136.98
  5. Step 5: Solve for x
    x = 214,217,138,136.98/517,202.45
  6. Step 6: Final answer
    x = 414,184.31

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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.