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Finding the Fourth Proportional to 1,244.03, 1,716.73 and 713.00

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Solution

The fourth proportional to 1,244.03, 1,716.73 and 713.00 is: 983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.03 : 1,716.73 = 713.00 : x
  2. Step 2: Convert to fraction form
    1,244.03/1,716.73 = 713.00/x
  3. Step 3: Cross multiply
    1,244.03x = 1,716.73 × 713.00
  4. Step 4: Simplify right side
    1,244.03x = 1,224,031.00
  5. Step 5: Solve for x
    x = 1,224,031.00/1,244.03
  6. Step 6: Final answer
    x = 983.93

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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.