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Finding the Fourth Proportional to 303,791.52, 419,227.20 and 176,468.16

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Solution

The fourth proportional to 303,791.52, 419,227.20 and 176,468.16 is: 243,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,791.52 : 419,227.20 = 176,468.16 : x
  2. Step 2: Convert to fraction form
    303,791.52/419,227.20 = 176,468.16/x
  3. Step 3: Cross multiply
    303,791.52x = 419,227.20 × 176,468.16
  4. Step 4: Simplify right side
    303,791.52x = 73,980,252,605.95
  5. Step 5: Solve for x
    x = 73,980,252,605.95/303,791.52
  6. Step 6: Final answer
    x = 243,523.10

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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.