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Finding the Fourth Proportional to 795.65, 1,192.39 and 506.57

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Solution

The fourth proportional to 795.65, 1,192.39 and 506.57 is: 759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.65 : 1,192.39 = 506.57 : x
  2. Step 2: Convert to fraction form
    795.65/1,192.39 = 506.57/x
  3. Step 3: Cross multiply
    795.65x = 1,192.39 × 506.57
  4. Step 4: Simplify right side
    795.65x = 604,021.77
  5. Step 5: Solve for x
    x = 604,021.77/795.65
  6. Step 6: Final answer
    x = 759.16

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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.