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Finding the Fourth Proportional to 495,979.81, 744,180.33 and 271,077.49

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Solution

The fourth proportional to 495,979.81, 744,180.33 and 271,077.49 is: 406,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,979.81 : 744,180.33 = 271,077.49 : x
  2. Step 2: Convert to fraction form
    495,979.81/744,180.33 = 271,077.49/x
  3. Step 3: Cross multiply
    495,979.81x = 744,180.33 × 271,077.49
  4. Step 4: Simplify right side
    495,979.81x = 201,730,535,963.77
  5. Step 5: Solve for x
    x = 201,730,535,963.77/495,979.81
  6. Step 6: Final answer
    x = 406,731.35

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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.