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Finding the Fourth Proportional to 303,665.80, 455,485.02 and 104,004.04

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Solution

The fourth proportional to 303,665.80, 455,485.02 and 104,004.04 is: 156,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,665.80 : 455,485.02 = 104,004.04 : x
  2. Step 2: Convert to fraction form
    303,665.80/455,485.02 = 104,004.04/x
  3. Step 3: Cross multiply
    303,665.80x = 455,485.02 × 104,004.04
  4. Step 4: Simplify right side
    303,665.80x = 47,372,282,239.48
  5. Step 5: Solve for x
    x = 47,372,282,239.48/303,665.80
  6. Step 6: Final answer
    x = 156,001.37

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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.