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Finding the Fourth Proportional to 297,957.20, 446,935.80 and 245,469.20

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Solution

The fourth proportional to 297,957.20, 446,935.80 and 245,469.20 is: 368,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,957.20 : 446,935.80 = 245,469.20 : x
  2. Step 2: Convert to fraction form
    297,957.20/446,935.80 = 245,469.20/x
  3. Step 3: Cross multiply
    297,957.20x = 446,935.80 × 245,469.20
  4. Step 4: Simplify right side
    297,957.20x = 109,708,973,277.36
  5. Step 5: Solve for x
    x = 109,708,973,277.36/297,957.20
  6. Step 6: Final answer
    x = 368,203.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.