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Finding the Fourth Proportional to 495,976, 744,174.72 and 271,073.72

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Solution

The fourth proportional to 495,976, 744,174.72 and 271,073.72 is: 406,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,976 : 744,174.72 = 271,073.72 : x
  2. Step 2: Convert to fraction form
    495,976/744,174.72 = 271,073.72/x
  3. Step 3: Cross multiply
    495,976x = 744,174.72 × 271,073.72
  4. Step 4: Simplify right side
    495,976x = 201,726,209,680.36
  5. Step 5: Solve for x
    x = 201,726,209,680.36/495,976
  6. Step 6: Final answer
    x = 406,725.75

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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.