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Finding the Fourth Proportional to 798.99, 1,196.66 and 506.48

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Solution

The fourth proportional to 798.99, 1,196.66 and 506.48 is: 758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.99 : 1,196.66 = 506.48 : x
  2. Step 2: Convert to fraction form
    798.99/1,196.66 = 506.48/x
  3. Step 3: Cross multiply
    798.99x = 1,196.66 × 506.48
  4. Step 4: Simplify right side
    798.99x = 606,075.84
  5. Step 5: Solve for x
    x = 606,075.84/798.99
  6. Step 6: Final answer
    x = 758.56

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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.