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Finding the Fourth Proportional to 335,532.97, 504,140.21 and 315,354.82

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Solution

The fourth proportional to 335,532.97, 504,140.21 and 315,354.82 is: 473,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,532.97 : 504,140.21 = 315,354.82 : x
  2. Step 2: Convert to fraction form
    335,532.97/504,140.21 = 315,354.82/x
  3. Step 3: Cross multiply
    335,532.97x = 504,140.21 × 315,354.82
  4. Step 4: Simplify right side
    335,532.97x = 158,983,042,658.61
  5. Step 5: Solve for x
    x = 158,983,042,658.61/335,532.97
  6. Step 6: Final answer
    x = 473,822.42

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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.