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Finding the Fourth Proportional to 950.63, 1,424.66 and 585.63

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Solution

The fourth proportional to 950.63, 1,424.66 and 585.63 is: 877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.63 : 1,424.66 = 585.63 : x
  2. Step 2: Convert to fraction form
    950.63/1,424.66 = 585.63/x
  3. Step 3: Cross multiply
    950.63x = 1,424.66 × 585.63
  4. Step 4: Simplify right side
    950.63x = 834,320.71
  5. Step 5: Solve for x
    x = 834,320.71/950.63
  6. Step 6: Final answer
    x = 877.65

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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.