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Finding the Fourth Proportional to 472.23, 651.83 and 297.59

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Solution

The fourth proportional to 472.23, 651.83 and 297.59 is: 410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.23 : 651.83 = 297.59 : x
  2. Step 2: Convert to fraction form
    472.23/651.83 = 297.59/x
  3. Step 3: Cross multiply
    472.23x = 651.83 × 297.59
  4. Step 4: Simplify right side
    472.23x = 193,973.34
  5. Step 5: Solve for x
    x = 193,973.34/472.23
  6. Step 6: Final answer
    x = 410.76

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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.