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Finding the Fourth Proportional to 347,963.04, 480,174.48 and 197,060.04

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Solution

The fourth proportional to 347,963.04, 480,174.48 and 197,060.04 is: 271,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,963.04 : 480,174.48 = 197,060.04 : x
  2. Step 2: Convert to fraction form
    347,963.04/480,174.48 = 197,060.04/x
  3. Step 3: Cross multiply
    347,963.04x = 480,174.48 × 197,060.04
  4. Step 4: Simplify right side
    347,963.04x = 94,623,202,235.78
  5. Step 5: Solve for x
    x = 94,623,202,235.78/347,963.04
  6. Step 6: Final answer
    x = 271,934.63

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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.