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Finding the Fourth Proportional to 848.06, 1,272.14 and 328.14

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Solution

The fourth proportional to 848.06, 1,272.14 and 328.14 is: 492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.06 : 1,272.14 = 328.14 : x
  2. Step 2: Convert to fraction form
    848.06/1,272.14 = 328.14/x
  3. Step 3: Cross multiply
    848.06x = 1,272.14 × 328.14
  4. Step 4: Simplify right side
    848.06x = 417,445.61
  5. Step 5: Solve for x
    x = 417,445.61/848.06
  6. Step 6: Final answer
    x = 492.23

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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.