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Finding the Fourth Proportional to 702,175.34, 969,008.98 and 379,892.36

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Solution

The fourth proportional to 702,175.34, 969,008.98 and 379,892.36 is: 524,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,175.34 : 969,008.98 = 379,892.36 : x
  2. Step 2: Convert to fraction form
    702,175.34/969,008.98 = 379,892.36/x
  3. Step 3: Cross multiply
    702,175.34x = 969,008.98 × 379,892.36
  4. Step 4: Simplify right side
    702,175.34x = 368,119,108,273.39
  5. Step 5: Solve for x
    x = 368,119,108,273.39/702,175.34
  6. Step 6: Final answer
    x = 524,255.25

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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.