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Finding the Fourth Proportional to 446,699.49, 669,753.03 and 162,356.28

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Solution

The fourth proportional to 446,699.49, 669,753.03 and 162,356.28 is: 243,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,699.49 : 669,753.03 = 162,356.28 : x
  2. Step 2: Convert to fraction form
    446,699.49/669,753.03 = 162,356.28/x
  3. Step 3: Cross multiply
    446,699.49x = 669,753.03 × 162,356.28
  4. Step 4: Simplify right side
    446,699.49x = 108,738,610,469.53
  5. Step 5: Solve for x
    x = 108,738,610,469.53/446,699.49
  6. Step 6: Final answer
    x = 243,426.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.