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Finding the Fourth Proportional to 1,068.04, 1,474.08 and 675.28

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Solution

The fourth proportional to 1,068.04, 1,474.08 and 675.28 is: 932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.04 : 1,474.08 = 675.28 : x
  2. Step 2: Convert to fraction form
    1,068.04/1,474.08 = 675.28/x
  3. Step 3: Cross multiply
    1,068.04x = 1,474.08 × 675.28
  4. Step 4: Simplify right side
    1,068.04x = 995,416.74
  5. Step 5: Solve for x
    x = 995,416.74/1,068.04
  6. Step 6: Final answer
    x = 932.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.