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Finding the Fourth Proportional to 496,476.73, 685,033.36 and 324,646.57

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Solution

The fourth proportional to 496,476.73, 685,033.36 and 324,646.57 is: 447,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,476.73 : 685,033.36 = 324,646.57 : x
  2. Step 2: Convert to fraction form
    496,476.73/685,033.36 = 324,646.57/x
  3. Step 3: Cross multiply
    496,476.73x = 685,033.36 × 324,646.57
  4. Step 4: Simplify right side
    496,476.73x = 222,393,730,659.58
  5. Step 5: Solve for x
    x = 222,393,730,659.58/496,476.73
  6. Step 6: Final answer
    x = 447,943.92

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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.