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Finding the Fourth Proportional to 544,979.52, 751,645.71 and 354,054.42

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Solution

The fourth proportional to 544,979.52, 751,645.71 and 354,054.42 is: 488,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,979.52 : 751,645.71 = 354,054.42 : x
  2. Step 2: Convert to fraction form
    544,979.52/751,645.71 = 354,054.42/x
  3. Step 3: Cross multiply
    544,979.52x = 751,645.71 × 354,054.42
  4. Step 4: Simplify right side
    544,979.52x = 266,123,485,899.54
  5. Step 5: Solve for x
    x = 266,123,485,899.54/544,979.52
  6. Step 6: Final answer
    x = 488,318.32

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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.