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Finding the Fourth Proportional to 558.56, 837.12 and 467.12

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Solution

The fourth proportional to 558.56, 837.12 and 467.12 is: 700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.56 : 837.12 = 467.12 : x
  2. Step 2: Convert to fraction form
    558.56/837.12 = 467.12/x
  3. Step 3: Cross multiply
    558.56x = 837.12 × 467.12
  4. Step 4: Simplify right side
    558.56x = 391,035.49
  5. Step 5: Solve for x
    x = 391,035.49/558.56
  6. Step 6: Final answer
    x = 700.08

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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.