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Finding the Fourth Proportional to 795.93, 1,098.41 and 464.30

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Solution

The fourth proportional to 795.93, 1,098.41 and 464.30 is: 640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.93 : 1,098.41 = 464.30 : x
  2. Step 2: Convert to fraction form
    795.93/1,098.41 = 464.30/x
  3. Step 3: Cross multiply
    795.93x = 1,098.41 × 464.30
  4. Step 4: Simplify right side
    795.93x = 509,991.76
  5. Step 5: Solve for x
    x = 509,991.76/795.93
  6. Step 6: Final answer
    x = 640.75

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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.