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Finding the Fourth Proportional to 702,183.56, 969,012.84 and 379,893.74

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Solution

The fourth proportional to 702,183.56, 969,012.84 and 379,893.74 is: 524,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,183.56 : 969,012.84 = 379,893.74 : x
  2. Step 2: Convert to fraction form
    702,183.56/969,012.84 = 379,893.74/x
  3. Step 3: Cross multiply
    702,183.56x = 969,012.84 × 379,893.74
  4. Step 4: Simplify right side
    702,183.56x = 368,121,911,895.62
  5. Step 5: Solve for x
    x = 368,121,911,895.62/702,183.56
  6. Step 6: Final answer
    x = 524,253.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.