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Finding the Fourth Proportional to 400,791.66, 597,650.85 and 397,192.24

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Solution

The fourth proportional to 400,791.66, 597,650.85 and 397,192.24 is: 592,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,791.66 : 597,650.85 = 397,192.24 : x
  2. Step 2: Convert to fraction form
    400,791.66/597,650.85 = 397,192.24/x
  3. Step 3: Cross multiply
    400,791.66x = 597,650.85 × 397,192.24
  4. Step 4: Simplify right side
    400,791.66x = 237,382,279,849.40
  5. Step 5: Solve for x
    x = 237,382,279,849.40/400,791.66
  6. Step 6: Final answer
    x = 592,283.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.