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Finding the Fourth Proportional to 504.42, 696.07 and 463.11

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Solution

The fourth proportional to 504.42, 696.07 and 463.11 is: 639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.42 : 696.07 = 463.11 : x
  2. Step 2: Convert to fraction form
    504.42/696.07 = 463.11/x
  3. Step 3: Cross multiply
    504.42x = 696.07 × 463.11
  4. Step 4: Simplify right side
    504.42x = 322,357.56
  5. Step 5: Solve for x
    x = 322,357.56/504.42
  6. Step 6: Final answer
    x = 639.06

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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.