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Finding the Fourth Proportional to 906.84, 1,359.66 and 444.24

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Solution

The fourth proportional to 906.84, 1,359.66 and 444.24 is: 666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.84 : 1,359.66 = 444.24 : x
  2. Step 2: Convert to fraction form
    906.84/1,359.66 = 444.24/x
  3. Step 3: Cross multiply
    906.84x = 1,359.66 × 444.24
  4. Step 4: Simplify right side
    906.84x = 604,015.36
  5. Step 5: Solve for x
    x = 604,015.36/906.84
  6. Step 6: Final answer
    x = 666.07

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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.