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Finding the Fourth Proportional to 944.89, 1,416.52 and 359.56

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Solution

The fourth proportional to 944.89, 1,416.52 and 359.56 is: 539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.89 : 1,416.52 = 359.56 : x
  2. Step 2: Convert to fraction form
    944.89/1,416.52 = 359.56/x
  3. Step 3: Cross multiply
    944.89x = 1,416.52 × 359.56
  4. Step 4: Simplify right side
    944.89x = 509,322.13
  5. Step 5: Solve for x
    x = 509,322.13/944.89
  6. Step 6: Final answer
    x = 539.03

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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.