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Finding the Fourth Proportional to 944.72, 1,303.64 and 546.41

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Solution

The fourth proportional to 944.72, 1,303.64 and 546.41 is: 754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.72 : 1,303.64 = 546.41 : x
  2. Step 2: Convert to fraction form
    944.72/1,303.64 = 546.41/x
  3. Step 3: Cross multiply
    944.72x = 1,303.64 × 546.41
  4. Step 4: Simplify right side
    944.72x = 712,312.68
  5. Step 5: Solve for x
    x = 712,312.68/944.72
  6. Step 6: Final answer
    x = 754.00

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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.