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Finding the Fourth Proportional to 548,070.54, 756,570.42 and 333,279.60

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Solution

The fourth proportional to 548,070.54, 756,570.42 and 333,279.60 is: 460,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,070.54 : 756,570.42 = 333,279.60 : x
  2. Step 2: Convert to fraction form
    548,070.54/756,570.42 = 333,279.60/x
  3. Step 3: Cross multiply
    548,070.54x = 756,570.42 × 333,279.60
  4. Step 4: Simplify right side
    548,070.54x = 252,149,486,949.43
  5. Step 5: Solve for x
    x = 252,149,486,949.43/548,070.54
  6. Step 6: Final answer
    x = 460,067.58

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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.