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Finding the Fourth Proportional to 560,378.50, 773,522.01 and 330,936.73

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Solution

The fourth proportional to 560,378.50, 773,522.01 and 330,936.73 is: 456,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,378.50 : 773,522.01 = 330,936.73 : x
  2. Step 2: Convert to fraction form
    560,378.50/773,522.01 = 330,936.73/x
  3. Step 3: Cross multiply
    560,378.50x = 773,522.01 × 330,936.73
  4. Step 4: Simplify right side
    560,378.50x = 255,986,842,638.62
  5. Step 5: Solve for x
    x = 255,986,842,638.62/560,378.50
  6. Step 6: Final answer
    x = 456,810.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.