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Finding the Fourth Proportional to 288,060.42, 397,594.56 and 174,977.94

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Solution

The fourth proportional to 288,060.42, 397,594.56 and 174,977.94 is: 241,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,060.42 : 397,594.56 = 174,977.94 : x
  2. Step 2: Convert to fraction form
    288,060.42/397,594.56 = 174,977.94/x
  3. Step 3: Cross multiply
    288,060.42x = 397,594.56 × 174,977.94
  4. Step 4: Simplify right side
    288,060.42x = 69,570,277,064.01
  5. Step 5: Solve for x
    x = 69,570,277,064.01/288,060.42
  6. Step 6: Final answer
    x = 241,512.79

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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.