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Finding the Fourth Proportional to 556,323.21, 834,588.70 and 252,738.68

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Solution

The fourth proportional to 556,323.21, 834,588.70 and 252,738.68 is: 379,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,323.21 : 834,588.70 = 252,738.68 : x
  2. Step 2: Convert to fraction form
    556,323.21/834,588.70 = 252,738.68/x
  3. Step 3: Cross multiply
    556,323.21x = 834,588.70 × 252,738.68
  4. Step 4: Simplify right side
    556,323.21x = 210,932,846,380.92
  5. Step 5: Solve for x
    x = 210,932,846,380.92/556,323.21
  6. Step 6: Final answer
    x = 379,155.22

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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.