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Finding the Fourth Proportional to 617,083.29, 851,563.67 and 348,811.29

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Solution

The fourth proportional to 617,083.29, 851,563.67 and 348,811.29 is: 481,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,083.29 : 851,563.67 = 348,811.29 : x
  2. Step 2: Convert to fraction form
    617,083.29/851,563.67 = 348,811.29/x
  3. Step 3: Cross multiply
    617,083.29x = 851,563.67 × 348,811.29
  4. Step 4: Simplify right side
    617,083.29x = 297,035,020,505.78
  5. Step 5: Solve for x
    x = 297,035,020,505.78/617,083.29
  6. Step 6: Final answer
    x = 481,353.21

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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.