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Finding the Fourth Proportional to 544,874.44, 751,915 and 315,441.43

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Solution

The fourth proportional to 544,874.44, 751,915 and 315,441.43 is: 435,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,874.44 : 751,915 = 315,441.43 : x
  2. Step 2: Convert to fraction form
    544,874.44/751,915 = 315,441.43/x
  3. Step 3: Cross multiply
    544,874.44x = 751,915 × 315,441.43
  4. Step 4: Simplify right side
    544,874.44x = 237,185,142,838.45
  5. Step 5: Solve for x
    x = 237,185,142,838.45/544,874.44
  6. Step 6: Final answer
    x = 435,302.38

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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.