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Finding the Fourth Proportional to 324,977.76, 448,455.84 and 177,801.90

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Solution

The fourth proportional to 324,977.76, 448,455.84 and 177,801.90 is: 245,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,977.76 : 448,455.84 = 177,801.90 : x
  2. Step 2: Convert to fraction form
    324,977.76/448,455.84 = 177,801.90/x
  3. Step 3: Cross multiply
    324,977.76x = 448,455.84 × 177,801.90
  4. Step 4: Simplify right side
    324,977.76x = 79,736,300,418.10
  5. Step 5: Solve for x
    x = 79,736,300,418.10/324,977.76
  6. Step 6: Final answer
    x = 245,359.25

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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.