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Finding the Fourth Proportional to 544,488.54, 751,087.77 and 326,639.25

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Solution

The fourth proportional to 544,488.54, 751,087.77 and 326,639.25 is: 450,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,488.54 : 751,087.77 = 326,639.25 : x
  2. Step 2: Convert to fraction form
    544,488.54/751,087.77 = 326,639.25/x
  3. Step 3: Cross multiply
    544,488.54x = 751,087.77 × 326,639.25
  4. Step 4: Simplify right side
    544,488.54x = 245,334,745,876.97
  5. Step 5: Solve for x
    x = 245,334,745,876.97/544,488.54
  6. Step 6: Final answer
    x = 450,578.35

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1.5x scale

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.