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Finding the Fourth Proportional to 1,044.44, 1,440.96 and 651.32

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Solution

The fourth proportional to 1,044.44, 1,440.96 and 651.32 is: 898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.44 : 1,440.96 = 651.32 : x
  2. Step 2: Convert to fraction form
    1,044.44/1,440.96 = 651.32/x
  3. Step 3: Cross multiply
    1,044.44x = 1,440.96 × 651.32
  4. Step 4: Simplify right side
    1,044.44x = 938,526.07
  5. Step 5: Solve for x
    x = 938,526.07/1,044.44
  6. Step 6: Final answer
    x = 898.59

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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.