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Finding the Fourth Proportional to 950.60, 1,425.98 and 365.74

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Solution

The fourth proportional to 950.60, 1,425.98 and 365.74 is: 548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.60 : 1,425.98 = 365.74 : x
  2. Step 2: Convert to fraction form
    950.60/1,425.98 = 365.74/x
  3. Step 3: Cross multiply
    950.60x = 1,425.98 × 365.74
  4. Step 4: Simplify right side
    950.60x = 521,532.53
  5. Step 5: Solve for x
    x = 521,532.53/950.60
  6. Step 6: Final answer
    x = 548.64

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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.