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Finding the Fourth Proportional to 496.72, 740.04 and 472.24

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Solution

The fourth proportional to 496.72, 740.04 and 472.24 is: 703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.72 : 740.04 = 472.24 : x
  2. Step 2: Convert to fraction form
    496.72/740.04 = 472.24/x
  3. Step 3: Cross multiply
    496.72x = 740.04 × 472.24
  4. Step 4: Simplify right side
    496.72x = 349,476.49
  5. Step 5: Solve for x
    x = 349,476.49/496.72
  6. Step 6: Final answer
    x = 703.57

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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.