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Finding the Fourth Proportional to 303,828.77, 455,798.51 and 104,169.33

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Solution

The fourth proportional to 303,828.77, 455,798.51 and 104,169.33 is: 156,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,828.77 : 455,798.51 = 104,169.33 : x
  2. Step 2: Convert to fraction form
    303,828.77/455,798.51 = 104,169.33/x
  3. Step 3: Cross multiply
    303,828.77x = 455,798.51 × 104,169.33
  4. Step 4: Simplify right side
    303,828.77x = 47,480,224,880.85
  5. Step 5: Solve for x
    x = 47,480,224,880.85/303,828.77
  6. Step 6: Final answer
    x = 156,272.97

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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.