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Finding the Fourth Proportional to 702,194.62, 969,035.52 and 379,911.64

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Solution

The fourth proportional to 702,194.62, 969,035.52 and 379,911.64 is: 524,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,194.62 : 969,035.52 = 379,911.64 : x
  2. Step 2: Convert to fraction form
    702,194.62/969,035.52 = 379,911.64/x
  3. Step 3: Cross multiply
    702,194.62x = 969,035.52 × 379,911.64
  4. Step 4: Simplify right side
    702,194.62x = 368,147,873,621.45
  5. Step 5: Solve for x
    x = 368,147,873,621.45/702,194.62
  6. Step 6: Final answer
    x = 524,281.82

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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.