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Finding the Fourth Proportional to 1,026.60, 1,539.89 and 296.18

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Solution

The fourth proportional to 1,026.60, 1,539.89 and 296.18 is: 444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.60 : 1,539.89 = 296.18 : x
  2. Step 2: Convert to fraction form
    1,026.60/1,539.89 = 296.18/x
  3. Step 3: Cross multiply
    1,026.60x = 1,539.89 × 296.18
  4. Step 4: Simplify right side
    1,026.60x = 456,084.62
  5. Step 5: Solve for x
    x = 456,084.62/1,026.60
  6. Step 6: Final answer
    x = 444.27

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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.