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Finding the Fourth Proportional to 548,049.90, 756,293.22 and 303,030.44

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Solution

The fourth proportional to 548,049.90, 756,293.22 and 303,030.44 is: 418,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,049.90 : 756,293.22 = 303,030.44 : x
  2. Step 2: Convert to fraction form
    548,049.90/756,293.22 = 303,030.44/x
  3. Step 3: Cross multiply
    548,049.90x = 756,293.22 × 303,030.44
  4. Step 4: Simplify right side
    548,049.90x = 229,179,868,407.33
  5. Step 5: Solve for x
    x = 229,179,868,407.33/548,049.90
  6. Step 6: Final answer
    x = 418,173.36

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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.