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Finding the Fourth Proportional to 454,530.77, 627,253.75 and 273,346.48

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Solution

The fourth proportional to 454,530.77, 627,253.75 and 273,346.48 is: 377,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,530.77 : 627,253.75 = 273,346.48 : x
  2. Step 2: Convert to fraction form
    454,530.77/627,253.75 = 273,346.48/x
  3. Step 3: Cross multiply
    454,530.77x = 627,253.75 × 273,346.48
  4. Step 4: Simplify right side
    454,530.77x = 171,457,604,629.30
  5. Step 5: Solve for x
    x = 171,457,604,629.30/454,530.77
  6. Step 6: Final answer
    x = 377,218.92

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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.