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Finding the Fourth Proportional to 944.06, 1,417.26 and 637.27

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Solution

The fourth proportional to 944.06, 1,417.26 and 637.27 is: 956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.06 : 1,417.26 = 637.27 : x
  2. Step 2: Convert to fraction form
    944.06/1,417.26 = 637.27/x
  3. Step 3: Cross multiply
    944.06x = 1,417.26 × 637.27
  4. Step 4: Simplify right side
    944.06x = 903,176.13
  5. Step 5: Solve for x
    x = 903,176.13/944.06
  6. Step 6: Final answer
    x = 956.70

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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.