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Finding the Fourth Proportional to 504, 696 and 366.72

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Solution

The fourth proportional to 504, 696 and 366.72 is: 506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504 : 696 = 366.72 : x
  2. Step 2: Convert to fraction form
    504/696 = 366.72/x
  3. Step 3: Cross multiply
    504x = 696 × 366.72
  4. Step 4: Simplify right side
    504x = 255,237.12
  5. Step 5: Solve for x
    x = 255,237.12/504
  6. Step 6: Final answer
    x = 506.42

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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.