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Finding the Fourth Proportional to 481,197.34, 663,890.19 and 277,243.19

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Solution

The fourth proportional to 481,197.34, 663,890.19 and 277,243.19 is: 382,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,197.34 : 663,890.19 = 277,243.19 : x
  2. Step 2: Convert to fraction form
    481,197.34/663,890.19 = 277,243.19/x
  3. Step 3: Cross multiply
    481,197.34x = 663,890.19 × 277,243.19
  4. Step 4: Simplify right side
    481,197.34x = 184,059,032,215.78
  5. Step 5: Solve for x
    x = 184,059,032,215.78/481,197.34
  6. Step 6: Final answer
    x = 382,502.18

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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.