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Finding the Fourth Proportional to 950.16, 1,416.33 and 845.51

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Solution

The fourth proportional to 950.16, 1,416.33 and 845.51 is: 1,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.16 : 1,416.33 = 845.51 : x
  2. Step 2: Convert to fraction form
    950.16/1,416.33 = 845.51/x
  3. Step 3: Cross multiply
    950.16x = 1,416.33 × 845.51
  4. Step 4: Simplify right side
    950.16x = 1,197,521.18
  5. Step 5: Solve for x
    x = 1,197,521.18/950.16
  6. Step 6: Final answer
    x = 1,260.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.