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Finding the Fourth Proportional to 496,940.49, 685,603.22 and 324,959.13

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Solution

The fourth proportional to 496,940.49, 685,603.22 and 324,959.13 is: 448,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,940.49 : 685,603.22 = 324,959.13 : x
  2. Step 2: Convert to fraction form
    496,940.49/685,603.22 = 324,959.13/x
  3. Step 3: Cross multiply
    496,940.49x = 685,603.22 × 324,959.13
  4. Step 4: Simplify right side
    496,940.49x = 222,793,024,271.60
  5. Step 5: Solve for x
    x = 222,793,024,271.60/496,940.49
  6. Step 6: Final answer
    x = 448,329.39

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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.