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Finding the Fourth Proportional to 944.96, 1,303.99 and 525.29

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Solution

The fourth proportional to 944.96, 1,303.99 and 525.29 is: 724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.96 : 1,303.99 = 525.29 : x
  2. Step 2: Convert to fraction form
    944.96/1,303.99 = 525.29/x
  3. Step 3: Cross multiply
    944.96x = 1,303.99 × 525.29
  4. Step 4: Simplify right side
    944.96x = 684,972.91
  5. Step 5: Solve for x
    x = 684,972.91/944.96
  6. Step 6: Final answer
    x = 724.87

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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.