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Finding the Fourth Proportional to 848.44, 1,270.36 and 482.72

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Solution

The fourth proportional to 848.44, 1,270.36 and 482.72 is: 722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.44 : 1,270.36 = 482.72 : x
  2. Step 2: Convert to fraction form
    848.44/1,270.36 = 482.72/x
  3. Step 3: Cross multiply
    848.44x = 1,270.36 × 482.72
  4. Step 4: Simplify right side
    848.44x = 613,228.18
  5. Step 5: Solve for x
    x = 613,228.18/848.44
  6. Step 6: Final answer
    x = 722.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.