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Finding the Fourth Proportional to 702,245.28, 969,098.48 and 379,955.38

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Solution

The fourth proportional to 702,245.28, 969,098.48 and 379,955.38 is: 524,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,245.28 : 969,098.48 = 379,955.38 : x
  2. Step 2: Convert to fraction form
    702,245.28/969,098.48 = 379,955.38/x
  3. Step 3: Cross multiply
    702,245.28x = 969,098.48 × 379,955.38
  4. Step 4: Simplify right side
    702,245.28x = 368,214,181,225.82
  5. Step 5: Solve for x
    x = 368,214,181,225.82/702,245.28
  6. Step 6: Final answer
    x = 524,338.42

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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.