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Finding the Fourth Proportional to 472.03, 651.41 and 265.03

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Solution

The fourth proportional to 472.03, 651.41 and 265.03 is: 365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.03 : 651.41 = 265.03 : x
  2. Step 2: Convert to fraction form
    472.03/651.41 = 265.03/x
  3. Step 3: Cross multiply
    472.03x = 651.41 × 265.03
  4. Step 4: Simplify right side
    472.03x = 172,641.87
  5. Step 5: Solve for x
    x = 172,641.87/472.03
  6. Step 6: Final answer
    x = 365.74

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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.