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Finding the Fourth Proportional to 285,888.37, 394,520.08 and 176,963.93

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Solution

The fourth proportional to 285,888.37, 394,520.08 and 176,963.93 is: 244,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,888.37 : 394,520.08 = 176,963.93 : x
  2. Step 2: Convert to fraction form
    285,888.37/394,520.08 = 176,963.93/x
  3. Step 3: Cross multiply
    285,888.37x = 394,520.08 × 176,963.93
  4. Step 4: Simplify right side
    285,888.37x = 69,815,823,820.71
  5. Step 5: Solve for x
    x = 69,815,823,820.71/285,888.37
  6. Step 6: Final answer
    x = 244,206.59

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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.