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Finding the Fourth Proportional to 372.35, 558.63 and 372.35

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Solution

The fourth proportional to 372.35, 558.63 and 372.35 is: 558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.35 : 558.63 = 372.35 : x
  2. Step 2: Convert to fraction form
    372.35/558.63 = 372.35/x
  3. Step 3: Cross multiply
    372.35x = 558.63 × 372.35
  4. Step 4: Simplify right side
    372.35x = 208,005.88
  5. Step 5: Solve for x
    x = 208,005.88/372.35
  6. Step 6: Final answer
    x = 558.63

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Why These Related Problems?

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