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Finding the Fourth Proportional to 795.51, 1,193.15 and 384.63

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Solution

The fourth proportional to 795.51, 1,193.15 and 384.63 is: 576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.51 : 1,193.15 = 384.63 : x
  2. Step 2: Convert to fraction form
    795.51/1,193.15 = 384.63/x
  3. Step 3: Cross multiply
    795.51x = 1,193.15 × 384.63
  4. Step 4: Simplify right side
    795.51x = 458,919.36
  5. Step 5: Solve for x
    x = 458,919.36/795.51
  6. Step 6: Final answer
    x = 576.89

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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.