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Finding the Fourth Proportional to 950.76, 1,424.70 and 373.14

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Solution

The fourth proportional to 950.76, 1,424.70 and 373.14 is: 559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.76 : 1,424.70 = 373.14 : x
  2. Step 2: Convert to fraction form
    950.76/1,424.70 = 373.14/x
  3. Step 3: Cross multiply
    950.76x = 1,424.70 × 373.14
  4. Step 4: Simplify right side
    950.76x = 531,612.56
  5. Step 5: Solve for x
    x = 531,612.56/950.76
  6. Step 6: Final answer
    x = 559.14

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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.