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Finding the Fourth Proportional to 454,614.47, 627,636.76 and 404,173.88

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Solution

The fourth proportional to 454,614.47, 627,636.76 and 404,173.88 is: 557,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,614.47 : 627,636.76 = 404,173.88 : x
  2. Step 2: Convert to fraction form
    454,614.47/627,636.76 = 404,173.88/x
  3. Step 3: Cross multiply
    454,614.47x = 627,636.76 × 404,173.88
  4. Step 4: Simplify right side
    454,614.47x = 253,674,380,371.21
  5. Step 5: Solve for x
    x = 253,674,380,371.21/454,614.47
  6. Step 6: Final answer
    x = 557,998.92

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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.