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Finding the Fourth Proportional to 950.16, 1,310.27 and 577.08

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Solution

The fourth proportional to 950.16, 1,310.27 and 577.08 is: 795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.16 : 1,310.27 = 577.08 : x
  2. Step 2: Convert to fraction form
    950.16/1,310.27 = 577.08/x
  3. Step 3: Cross multiply
    950.16x = 1,310.27 × 577.08
  4. Step 4: Simplify right side
    950.16x = 756,127.73
  5. Step 5: Solve for x
    x = 756,127.73/950.16
  6. Step 6: Final answer
    x = 795.79

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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.