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Finding the Fourth Proportional to 303,664.80, 455,483.52 and 104,003.04

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Solution

The fourth proportional to 303,664.80, 455,483.52 and 104,003.04 is: 155,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,664.80 : 455,483.52 = 104,003.04 : x
  2. Step 2: Convert to fraction form
    303,664.80/455,483.52 = 104,003.04/x
  3. Step 3: Cross multiply
    303,664.80x = 455,483.52 × 104,003.04
  4. Step 4: Simplify right side
    303,664.80x = 47,371,670,749.90
  5. Step 5: Solve for x
    x = 47,371,670,749.90/303,664.80
  6. Step 6: Final answer
    x = 155,999.87

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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.