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Finding the Fourth Proportional to 944.57, 1,303.67 and 706.49

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Solution

The fourth proportional to 944.57, 1,303.67 and 706.49 is: 975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.57 : 1,303.67 = 706.49 : x
  2. Step 2: Convert to fraction form
    944.57/1,303.67 = 706.49/x
  3. Step 3: Cross multiply
    944.57x = 1,303.67 × 706.49
  4. Step 4: Simplify right side
    944.57x = 921,019.77
  5. Step 5: Solve for x
    x = 921,019.77/944.57
  6. Step 6: Final answer
    x = 975.07

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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.