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Finding the Fourth Proportional to 609,329.45, 913,397.61 and 254,444.96

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Solution

The fourth proportional to 609,329.45, 913,397.61 and 254,444.96 is: 381,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,329.45 : 913,397.61 = 254,444.96 : x
  2. Step 2: Convert to fraction form
    609,329.45/913,397.61 = 254,444.96/x
  3. Step 3: Cross multiply
    609,329.45x = 913,397.61 × 254,444.96
  4. Step 4: Simplify right side
    609,329.45x = 232,409,420,624.04
  5. Step 5: Solve for x
    x = 232,409,420,624.04/609,329.45
  6. Step 6: Final answer
    x = 381,418.33

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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.