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Finding the Fourth Proportional to 472.16, 651.63 and 292.73

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Solution

The fourth proportional to 472.16, 651.63 and 292.73 is: 404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.16 : 651.63 = 292.73 : x
  2. Step 2: Convert to fraction form
    472.16/651.63 = 292.73/x
  3. Step 3: Cross multiply
    472.16x = 651.63 × 292.73
  4. Step 4: Simplify right side
    472.16x = 190,751.65
  5. Step 5: Solve for x
    x = 190,751.65/472.16
  6. Step 6: Final answer
    x = 404.00

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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.