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Finding the Fourth Proportional to 795.36, 1,192.72 and 247.36

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Solution

The fourth proportional to 795.36, 1,192.72 and 247.36 is: 370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.36 : 1,192.72 = 247.36 : x
  2. Step 2: Convert to fraction form
    795.36/1,192.72 = 247.36/x
  3. Step 3: Cross multiply
    795.36x = 1,192.72 × 247.36
  4. Step 4: Simplify right side
    795.36x = 295,031.22
  5. Step 5: Solve for x
    x = 295,031.22/795.36
  6. Step 6: Final answer
    x = 370.94

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1.5x scale

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.