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Finding the Fourth Proportional to 978,842.28, 1,468,204.40 and 582,008.40

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Solution

The fourth proportional to 978,842.28, 1,468,204.40 and 582,008.40 is: 872,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,842.28 : 1,468,204.40 = 582,008.40 : x
  2. Step 2: Convert to fraction form
    978,842.28/1,468,204.40 = 582,008.40/x
  3. Step 3: Cross multiply
    978,842.28x = 1,468,204.40 × 582,008.40
  4. Step 4: Simplify right side
    978,842.28x = 854,507,293,716.96
  5. Step 5: Solve for x
    x = 854,507,293,716.96/978,842.28
  6. Step 6: Final answer
    x = 872,977.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.