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Finding the Fourth Proportional to 484.24, 725.88 and 370

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Solution

The fourth proportional to 484.24, 725.88 and 370 is: 554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.24 : 725.88 = 370 : x
  2. Step 2: Convert to fraction form
    484.24/725.88 = 370/x
  3. Step 3: Cross multiply
    484.24x = 725.88 × 370
  4. Step 4: Simplify right side
    484.24x = 268,575.60
  5. Step 5: Solve for x
    x = 268,575.60/484.24
  6. Step 6: Final answer
    x = 554.63

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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.