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Finding the Fourth Proportional to 453,093.17, 624,643.11 and 361,523.48

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Solution

The fourth proportional to 453,093.17, 624,643.11 and 361,523.48 is: 498,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,093.17 : 624,643.11 = 361,523.48 : x
  2. Step 2: Convert to fraction form
    453,093.17/624,643.11 = 361,523.48/x
  3. Step 3: Cross multiply
    453,093.17x = 624,643.11 × 361,523.48
  4. Step 4: Simplify right side
    453,093.17x = 225,823,147,762.01
  5. Step 5: Solve for x
    x = 225,823,147,762.01/453,093.17
  6. Step 6: Final answer
    x = 498,403.34

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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.