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Finding the Fourth Proportional to 454,690.82, 627,477.92 and 250,749.89

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Solution

The fourth proportional to 454,690.82, 627,477.92 and 250,749.89 is: 346,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,690.82 : 627,477.92 = 250,749.89 : x
  2. Step 2: Convert to fraction form
    454,690.82/627,477.92 = 250,749.89/x
  3. Step 3: Cross multiply
    454,690.82x = 627,477.92 × 250,749.89
  4. Step 4: Simplify right side
    454,690.82x = 157,340,019,417.43
  5. Step 5: Solve for x
    x = 157,340,019,417.43/454,690.82
  6. Step 6: Final answer
    x = 346,037.38

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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.