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Finding the Fourth Proportional to 702,083.28, 968,872.05 and 379,792.59

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Solution

The fourth proportional to 702,083.28, 968,872.05 and 379,792.59 is: 524,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,083.28 : 968,872.05 = 379,792.59 : x
  2. Step 2: Convert to fraction form
    702,083.28/968,872.05 = 379,792.59/x
  3. Step 3: Cross multiply
    702,083.28x = 968,872.05 × 379,792.59
  4. Step 4: Simplify right side
    702,083.28x = 367,970,425,248.11
  5. Step 5: Solve for x
    x = 367,970,425,248.11/702,083.28
  6. Step 6: Final answer
    x = 524,112.22

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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.