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Finding the Fourth Proportional to 944.80, 1,303.92 and 595.52

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Solution

The fourth proportional to 944.80, 1,303.92 and 595.52 is: 821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.80 : 1,303.92 = 595.52 : x
  2. Step 2: Convert to fraction form
    944.80/1,303.92 = 595.52/x
  3. Step 3: Cross multiply
    944.80x = 1,303.92 × 595.52
  4. Step 4: Simplify right side
    944.80x = 776,510.44
  5. Step 5: Solve for x
    x = 776,510.44/944.80
  6. Step 6: Final answer
    x = 821.88

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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.