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Finding the Fourth Proportional to 360,969.49, 498,143.79 and 197,623.26

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Solution

The fourth proportional to 360,969.49, 498,143.79 and 197,623.26 is: 272,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,969.49 : 498,143.79 = 197,623.26 : x
  2. Step 2: Convert to fraction form
    360,969.49/498,143.79 = 197,623.26/x
  3. Step 3: Cross multiply
    360,969.49x = 498,143.79 × 197,623.26
  4. Step 4: Simplify right side
    360,969.49x = 98,444,796,249.72
  5. Step 5: Solve for x
    x = 98,444,796,249.72/360,969.49
  6. Step 6: Final answer
    x = 272,723.32

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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.