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Finding the Fourth Proportional to 404,825.85, 558,708.93 and 235,059.97

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Solution

The fourth proportional to 404,825.85, 558,708.93 and 235,059.97 is: 324,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,825.85 : 558,708.93 = 235,059.97 : x
  2. Step 2: Convert to fraction form
    404,825.85/558,708.93 = 235,059.97/x
  3. Step 3: Cross multiply
    404,825.85x = 558,708.93 × 235,059.97
  4. Step 4: Simplify right side
    404,825.85x = 131,330,103,149.23
  5. Step 5: Solve for x
    x = 131,330,103,149.23/404,825.85
  6. Step 6: Final answer
    x = 324,411.36

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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.