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Finding the Fourth Proportional to 558.59, 837.88 and 303.71

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Solution

The fourth proportional to 558.59, 837.88 and 303.71 is: 455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.59 : 837.88 = 303.71 : x
  2. Step 2: Convert to fraction form
    558.59/837.88 = 303.71/x
  3. Step 3: Cross multiply
    558.59x = 837.88 × 303.71
  4. Step 4: Simplify right side
    558.59x = 254,467.59
  5. Step 5: Solve for x
    x = 254,467.59/558.59
  6. Step 6: Final answer
    x = 455.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.