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Finding the Fourth Proportional to 370.53, 556.01 and 187.94

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Solution

The fourth proportional to 370.53, 556.01 and 187.94 is: 282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.53 : 556.01 = 187.94 : x
  2. Step 2: Convert to fraction form
    370.53/556.01 = 187.94/x
  3. Step 3: Cross multiply
    370.53x = 556.01 × 187.94
  4. Step 4: Simplify right side
    370.53x = 104,492.80
  5. Step 5: Solve for x
    x = 104,492.80/370.53
  6. Step 6: Final answer
    x = 282.01

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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.