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Finding the Fourth Proportional to 496,252.49, 684,984.56 and 281,535.26

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Solution

The fourth proportional to 496,252.49, 684,984.56 and 281,535.26 is: 388,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,252.49 : 684,984.56 = 281,535.26 : x
  2. Step 2: Convert to fraction form
    496,252.49/684,984.56 = 281,535.26/x
  3. Step 3: Cross multiply
    496,252.49x = 684,984.56 × 281,535.26
  4. Step 4: Simplify right side
    496,252.49x = 192,847,301,362.99
  5. Step 5: Solve for x
    x = 192,847,301,362.99/496,252.49
  6. Step 6: Final answer
    x = 388,607.23

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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.