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Finding the Fourth Proportional to 545,715.96, 819,085.86 and 335,763.96

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Solution

The fourth proportional to 545,715.96, 819,085.86 and 335,763.96 is: 503,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,715.96 : 819,085.86 = 335,763.96 : x
  2. Step 2: Convert to fraction form
    545,715.96/819,085.86 = 335,763.96/x
  3. Step 3: Cross multiply
    545,715.96x = 819,085.86 × 335,763.96
  4. Step 4: Simplify right side
    545,715.96x = 275,019,511,933.61
  5. Step 5: Solve for x
    x = 275,019,511,933.61/545,715.96
  6. Step 6: Final answer
    x = 503,960.91

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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.