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Finding the Fourth Proportional to 475,963.35, 713,273.73 and 262,827.21

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Solution

The fourth proportional to 475,963.35, 713,273.73 and 262,827.21 is: 393,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,963.35 : 713,273.73 = 262,827.21 : x
  2. Step 2: Convert to fraction form
    475,963.35/713,273.73 = 262,827.21/x
  3. Step 3: Cross multiply
    475,963.35x = 713,273.73 × 262,827.21
  4. Step 4: Simplify right side
    475,963.35x = 187,467,745,234.00
  5. Step 5: Solve for x
    x = 187,467,745,234.00/475,963.35
  6. Step 6: Final answer
    x = 393,870.13

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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.