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Finding the Fourth Proportional to 446, 614.76 and 372.08

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Solution

The fourth proportional to 446, 614.76 and 372.08 is: 512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446 : 614.76 = 372.08 : x
  2. Step 2: Convert to fraction form
    446/614.76 = 372.08/x
  3. Step 3: Cross multiply
    446x = 614.76 × 372.08
  4. Step 4: Simplify right side
    446x = 228,739.90
  5. Step 5: Solve for x
    x = 228,739.90/446
  6. Step 6: Final answer
    x = 512.87

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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.