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Finding the Fourth Proportional to 544,559.58, 816,878.39 and 145,198.26

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Solution

The fourth proportional to 544,559.58, 816,878.39 and 145,198.26 is: 217,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,559.58 : 816,878.39 = 145,198.26 : x
  2. Step 2: Convert to fraction form
    544,559.58/816,878.39 = 145,198.26/x
  3. Step 3: Cross multiply
    544,559.58x = 816,878.39 × 145,198.26
  4. Step 4: Simplify right side
    544,559.58x = 118,609,320,133.61
  5. Step 5: Solve for x
    x = 118,609,320,133.61/544,559.58
  6. Step 6: Final answer
    x = 217,807.79

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Similar ratio
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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.