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Finding the Fourth Proportional to 504.44, 696.32 and 357.32

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Solution

The fourth proportional to 504.44, 696.32 and 357.32 is: 493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.44 : 696.32 = 357.32 : x
  2. Step 2: Convert to fraction form
    504.44/696.32 = 357.32/x
  3. Step 3: Cross multiply
    504.44x = 696.32 × 357.32
  4. Step 4: Simplify right side
    504.44x = 248,809.06
  5. Step 5: Solve for x
    x = 248,809.06/504.44
  6. Step 6: Final answer
    x = 493.24

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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.