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Finding the Fourth Proportional to 702,245.37, 969,091.72 and 379,948.40

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Solution

The fourth proportional to 702,245.37, 969,091.72 and 379,948.40 is: 524,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,245.37 : 969,091.72 = 379,948.40 : x
  2. Step 2: Convert to fraction form
    702,245.37/969,091.72 = 379,948.40/x
  3. Step 3: Cross multiply
    702,245.37x = 969,091.72 × 379,948.40
  4. Step 4: Simplify right side
    702,245.37x = 368,204,848,467.25
  5. Step 5: Solve for x
    x = 368,204,848,467.25/702,245.37
  6. Step 6: Final answer
    x = 524,325.06

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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.