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Finding the Fourth Proportional to 435,991.80, 601,598.70 and 245,004.60

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Solution

The fourth proportional to 435,991.80, 601,598.70 and 245,004.60 is: 338,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,991.80 : 601,598.70 = 245,004.60 : x
  2. Step 2: Convert to fraction form
    435,991.80/601,598.70 = 245,004.60/x
  3. Step 3: Cross multiply
    435,991.80x = 601,598.70 × 245,004.60
  4. Step 4: Simplify right side
    435,991.80x = 147,394,448,854.02
  5. Step 5: Solve for x
    x = 147,394,448,854.02/435,991.80
  6. Step 6: Final answer
    x = 338,067.02

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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.