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Finding the Fourth Proportional to 1,044.63, 1,441.88 and 713.00

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Solution

The fourth proportional to 1,044.63, 1,441.88 and 713.00 is: 984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.63 : 1,441.88 = 713.00 : x
  2. Step 2: Convert to fraction form
    1,044.63/1,441.88 = 713.00/x
  3. Step 3: Cross multiply
    1,044.63x = 1,441.88 × 713.00
  4. Step 4: Simplify right side
    1,044.63x = 1,028,056.54
  5. Step 5: Solve for x
    x = 1,028,056.54/1,044.63
  6. Step 6: Final answer
    x = 984.13

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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.