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Finding the Fourth Proportional to 481,162.79, 663,930.66 and 277,173.86

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Solution

The fourth proportional to 481,162.79, 663,930.66 and 277,173.86 is: 382,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,162.79 : 663,930.66 = 277,173.86 : x
  2. Step 2: Convert to fraction form
    481,162.79/663,930.66 = 277,173.86/x
  3. Step 3: Cross multiply
    481,162.79x = 663,930.66 × 277,173.86
  4. Step 4: Simplify right side
    481,162.79x = 184,024,223,804.55
  5. Step 5: Solve for x
    x = 184,024,223,804.55/481,162.79
  6. Step 6: Final answer
    x = 382,457.30

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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.