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Finding the Fourth Proportional to 361,313.88, 498,598.95 and 200,171.46

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Solution

The fourth proportional to 361,313.88, 498,598.95 and 200,171.46 is: 276,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,313.88 : 498,598.95 = 200,171.46 : x
  2. Step 2: Convert to fraction form
    361,313.88/498,598.95 = 200,171.46/x
  3. Step 3: Cross multiply
    361,313.88x = 498,598.95 × 200,171.46
  4. Step 4: Simplify right side
    361,313.88x = 99,805,279,775.97
  5. Step 5: Solve for x
    x = 99,805,279,775.97/361,313.88
  6. Step 6: Final answer
    x = 276,228.75

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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.