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Finding the Fourth Proportional to 795.89, 1,098.23 and 464.33

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Solution

The fourth proportional to 795.89, 1,098.23 and 464.33 is: 640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.89 : 1,098.23 = 464.33 : x
  2. Step 2: Convert to fraction form
    795.89/1,098.23 = 464.33/x
  3. Step 3: Cross multiply
    795.89x = 1,098.23 × 464.33
  4. Step 4: Simplify right side
    795.89x = 509,936.81
  5. Step 5: Solve for x
    x = 509,936.81/795.89
  6. Step 6: Final answer
    x = 640.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.