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Finding the Fourth Proportional to 941.60, 1,412.59 and 325.33

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Solution

The fourth proportional to 941.60, 1,412.59 and 325.33 is: 488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.60 : 1,412.59 = 325.33 : x
  2. Step 2: Convert to fraction form
    941.60/1,412.59 = 325.33/x
  3. Step 3: Cross multiply
    941.60x = 1,412.59 × 325.33
  4. Step 4: Simplify right side
    941.60x = 459,558.72
  5. Step 5: Solve for x
    x = 459,558.72/941.60
  6. Step 6: Final answer
    x = 488.06

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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.