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Finding the Fourth Proportional to 944.56, 1,303.44 and 530.56

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Solution

The fourth proportional to 944.56, 1,303.44 and 530.56 is: 732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.56 : 1,303.44 = 530.56 : x
  2. Step 2: Convert to fraction form
    944.56/1,303.44 = 530.56/x
  3. Step 3: Cross multiply
    944.56x = 1,303.44 × 530.56
  4. Step 4: Simplify right side
    944.56x = 691,553.13
  5. Step 5: Solve for x
    x = 691,553.13/944.56
  6. Step 6: Final answer
    x = 732.14

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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.