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Finding the Fourth Proportional to 331,267.88, 495,968.70 and 297,675.56

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Solution

The fourth proportional to 331,267.88, 495,968.70 and 297,675.56 is: 445,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,267.88 : 495,968.70 = 297,675.56 : x
  2. Step 2: Convert to fraction form
    331,267.88/495,968.70 = 297,675.56/x
  3. Step 3: Cross multiply
    331,267.88x = 495,968.70 × 297,675.56
  4. Step 4: Simplify right side
    331,267.88x = 147,637,760,514.97
  5. Step 5: Solve for x
    x = 147,637,760,514.97/331,267.88
  6. Step 6: Final answer
    x = 445,674.84

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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.