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Finding the Fourth Proportional to 795.51, 1,192.95 and 240.05

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Solution

The fourth proportional to 795.51, 1,192.95 and 240.05 is: 359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.51 : 1,192.95 = 240.05 : x
  2. Step 2: Convert to fraction form
    795.51/1,192.95 = 240.05/x
  3. Step 3: Cross multiply
    795.51x = 1,192.95 × 240.05
  4. Step 4: Simplify right side
    795.51x = 286,361.68
  5. Step 5: Solve for x
    x = 286,361.68/795.51
  6. Step 6: Final answer
    x = 359.97

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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.