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Finding the Fourth Proportional to 1,068.14, 1,602.89 and 656.00

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Solution

The fourth proportional to 1,068.14, 1,602.89 and 656.00 is: 984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.14 : 1,602.89 = 656.00 : x
  2. Step 2: Convert to fraction form
    1,068.14/1,602.89 = 656.00/x
  3. Step 3: Cross multiply
    1,068.14x = 1,602.89 × 656.00
  4. Step 4: Simplify right side
    1,068.14x = 1,051,493.02
  5. Step 5: Solve for x
    x = 1,051,493.02/1,068.14
  6. Step 6: Final answer
    x = 984.42

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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.