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Finding the Fourth Proportional to 558.42, 837.36 and 250.08

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Solution

The fourth proportional to 558.42, 837.36 and 250.08 is: 375.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.42 : 837.36 = 250.08 : x
  2. Step 2: Convert to fraction form
    558.42/837.36 = 250.08/x
  3. Step 3: Cross multiply
    558.42x = 837.36 × 250.08
  4. Step 4: Simplify right side
    558.42x = 209,406.99
  5. Step 5: Solve for x
    x = 209,406.99/558.42
  6. Step 6: Final answer
    x = 375.00

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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.