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Finding the Fourth Proportional to 288,062.40, 397,597.36 and 174,979.92

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Solution

The fourth proportional to 288,062.40, 397,597.36 and 174,979.92 is: 241,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,062.40 : 397,597.36 = 174,979.92 : x
  2. Step 2: Convert to fraction form
    288,062.40/397,597.36 = 174,979.92/x
  3. Step 3: Cross multiply
    288,062.40x = 397,597.36 × 174,979.92
  4. Step 4: Simplify right side
    288,062.40x = 69,571,554,245.01
  5. Step 5: Solve for x
    x = 69,571,554,245.01/288,062.40
  6. Step 6: Final answer
    x = 241,515.57

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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.