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Finding the Fourth Proportional to 736.50, 1,104.74 and 188.67

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Solution

The fourth proportional to 736.50, 1,104.74 and 188.67 is: 283.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.50 : 1,104.74 = 188.67 : x
  2. Step 2: Convert to fraction form
    736.50/1,104.74 = 188.67/x
  3. Step 3: Cross multiply
    736.50x = 1,104.74 × 188.67
  4. Step 4: Simplify right side
    736.50x = 208,430.35
  5. Step 5: Solve for x
    x = 208,430.35/736.50
  6. Step 6: Final answer
    x = 283.00

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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.