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Finding the Fourth Proportional to 303,812.70, 455,113.44 and 183,805.80

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Solution

The fourth proportional to 303,812.70, 455,113.44 and 183,805.80 is: 275,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,812.70 : 455,113.44 = 183,805.80 : x
  2. Step 2: Convert to fraction form
    303,812.70/455,113.44 = 183,805.80/x
  3. Step 3: Cross multiply
    303,812.70x = 455,113.44 × 183,805.80
  4. Step 4: Simplify right side
    303,812.70x = 83,652,489,929.95
  5. Step 5: Solve for x
    x = 83,652,489,929.95/303,812.70
  6. Step 6: Final answer
    x = 275,342.31

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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.