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Finding the Fourth Proportional to 956.00, 1,434.51 and 826.84

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Solution

The fourth proportional to 956.00, 1,434.51 and 826.84 is: 1,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.00 : 1,434.51 = 826.84 : x
  2. Step 2: Convert to fraction form
    956.00/1,434.51 = 826.84/x
  3. Step 3: Cross multiply
    956.00x = 1,434.51 × 826.84
  4. Step 4: Simplify right side
    956.00x = 1,186,112.04
  5. Step 5: Solve for x
    x = 1,186,112.04/956.00
  6. Step 6: Final answer
    x = 1,240.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.