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Finding the Fourth Proportional to 508.58, 701.73 and 361.16

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Solution

The fourth proportional to 508.58, 701.73 and 361.16 is: 498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.58 : 701.73 = 361.16 : x
  2. Step 2: Convert to fraction form
    508.58/701.73 = 361.16/x
  3. Step 3: Cross multiply
    508.58x = 701.73 × 361.16
  4. Step 4: Simplify right side
    508.58x = 253,436.81
  5. Step 5: Solve for x
    x = 253,436.81/508.58
  6. Step 6: Final answer
    x = 498.32

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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.