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Finding the Fourth Proportional to 336,786.90, 504,013.95 and 308,793.30

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Solution

The fourth proportional to 336,786.90, 504,013.95 and 308,793.30 is: 462,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,786.90 : 504,013.95 = 308,793.30 : x
  2. Step 2: Convert to fraction form
    336,786.90/504,013.95 = 308,793.30/x
  3. Step 3: Cross multiply
    336,786.90x = 504,013.95 × 308,793.30
  4. Step 4: Simplify right side
    336,786.90x = 155,636,130,866.54
  5. Step 5: Solve for x
    x = 155,636,130,866.54/336,786.90
  6. Step 6: Final answer
    x = 462,120.50

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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.