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Finding the Fourth Proportional to 360,974.99, 498,151.38 and 197,628.77

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Solution

The fourth proportional to 360,974.99, 498,151.38 and 197,628.77 is: 272,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,974.99 : 498,151.38 = 197,628.77 : x
  2. Step 2: Convert to fraction form
    360,974.99/498,151.38 = 197,628.77/x
  3. Step 3: Cross multiply
    360,974.99x = 498,151.38 × 197,628.77
  4. Step 4: Simplify right side
    360,974.99x = 98,449,042,012.45
  5. Step 5: Solve for x
    x = 98,449,042,012.45/360,974.99
  6. Step 6: Final answer
    x = 272,730.93

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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.