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Finding the Fourth Proportional to 544,578.09, 816,944.90 and 170,630.25

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Solution

The fourth proportional to 544,578.09, 816,944.90 and 170,630.25 is: 255,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,578.09 : 816,944.90 = 170,630.25 : x
  2. Step 2: Convert to fraction form
    544,578.09/816,944.90 = 170,630.25/x
  3. Step 3: Cross multiply
    544,578.09x = 816,944.90 × 170,630.25
  4. Step 4: Simplify right side
    544,578.09x = 139,395,511,670.07
  5. Step 5: Solve for x
    x = 139,395,511,670.07/544,578.09
  6. Step 6: Final answer
    x = 255,969.74

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1.5x scale

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.