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Finding the Fourth Proportional to 361,338.82, 498,607.26 and 200,153.92

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Solution

The fourth proportional to 361,338.82, 498,607.26 and 200,153.92 is: 276,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,338.82 : 498,607.26 = 200,153.92 : x
  2. Step 2: Convert to fraction form
    361,338.82/498,607.26 = 200,153.92/x
  3. Step 3: Cross multiply
    361,338.82x = 498,607.26 × 200,153.92
  4. Step 4: Simplify right side
    361,338.82x = 99,798,197,629.46
  5. Step 5: Solve for x
    x = 99,798,197,629.46/361,338.82
  6. Step 6: Final answer
    x = 276,190.08

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1.5x scale

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.