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Finding the Fourth Proportional to 702,273.34, 969,130.32 and 379,976.37

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Solution

The fourth proportional to 702,273.34, 969,130.32 and 379,976.37 is: 524,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,273.34 : 969,130.32 = 379,976.37 : x
  2. Step 2: Convert to fraction form
    702,273.34/969,130.32 = 379,976.37/x
  3. Step 3: Cross multiply
    702,273.34x = 969,130.32 × 379,976.37
  4. Step 4: Simplify right side
    702,273.34x = 368,246,618,128.76
  5. Step 5: Solve for x
    x = 368,246,618,128.76/702,273.34
  6. Step 6: Final answer
    x = 524,363.66

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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.