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Finding the Fourth Proportional to 544,856.68, 751,836.90 and 303,078.16

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Solution

The fourth proportional to 544,856.68, 751,836.90 and 303,078.16 is: 418,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,856.68 : 751,836.90 = 303,078.16 : x
  2. Step 2: Convert to fraction form
    544,856.68/751,836.90 = 303,078.16/x
  3. Step 3: Cross multiply
    544,856.68x = 751,836.90 × 303,078.16
  4. Step 4: Simplify right side
    544,856.68x = 227,865,344,272.10
  5. Step 5: Solve for x
    x = 227,865,344,272.10/544,856.68
  6. Step 6: Final answer
    x = 418,211.53

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Why These Related Problems?

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