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Finding the Fourth Proportional to 944.48, 1,414.08 and 510.08

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Solution

The fourth proportional to 944.48, 1,414.08 and 510.08 is: 763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.48 : 1,414.08 = 510.08 : x
  2. Step 2: Convert to fraction form
    944.48/1,414.08 = 510.08/x
  3. Step 3: Cross multiply
    944.48x = 1,414.08 × 510.08
  4. Step 4: Simplify right side
    944.48x = 721,293.93
  5. Step 5: Solve for x
    x = 721,293.93/944.48
  6. Step 6: Final answer
    x = 763.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.