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Finding the Fourth Proportional to 802.44, 1,107.54 and 536.94

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Solution

The fourth proportional to 802.44, 1,107.54 and 536.94 is: 741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.44 : 1,107.54 = 536.94 : x
  2. Step 2: Convert to fraction form
    802.44/1,107.54 = 536.94/x
  3. Step 3: Cross multiply
    802.44x = 1,107.54 × 536.94
  4. Step 4: Simplify right side
    802.44x = 594,682.53
  5. Step 5: Solve for x
    x = 594,682.53/802.44
  6. Step 6: Final answer
    x = 741.09

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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.