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Finding the Fourth Proportional to 1,026.76, 1,539.99 and 296.25

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Solution

The fourth proportional to 1,026.76, 1,539.99 and 296.25 is: 444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.76 : 1,539.99 = 296.25 : x
  2. Step 2: Convert to fraction form
    1,026.76/1,539.99 = 296.25/x
  3. Step 3: Cross multiply
    1,026.76x = 1,539.99 × 296.25
  4. Step 4: Simplify right side
    1,026.76x = 456,222.04
  5. Step 5: Solve for x
    x = 456,222.04/1,026.76
  6. Step 6: Final answer
    x = 444.33

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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.