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Finding the Fourth Proportional to 468,792.93, 646,895.90 and 264,861.56

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Solution

The fourth proportional to 468,792.93, 646,895.90 and 264,861.56 is: 365,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,792.93 : 646,895.90 = 264,861.56 : x
  2. Step 2: Convert to fraction form
    468,792.93/646,895.90 = 264,861.56/x
  3. Step 3: Cross multiply
    468,792.93x = 646,895.90 × 264,861.56
  4. Step 4: Simplify right side
    468,792.93x = 171,337,859,511.00
  5. Step 5: Solve for x
    x = 171,337,859,511.00/468,792.93
  6. Step 6: Final answer
    x = 365,487.29

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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.