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Finding the Fourth Proportional to 477,553.44, 716,083.61 and 140,550.31

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Solution

The fourth proportional to 477,553.44, 716,083.61 and 140,550.31 is: 210,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,553.44 : 716,083.61 = 140,550.31 : x
  2. Step 2: Convert to fraction form
    477,553.44/716,083.61 = 140,550.31/x
  3. Step 3: Cross multiply
    477,553.44x = 716,083.61 × 140,550.31
  4. Step 4: Simplify right side
    477,553.44x = 100,645,771,932.59
  5. Step 5: Solve for x
    x = 100,645,771,932.59/477,553.44
  6. Step 6: Final answer
    x = 210,752.90

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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.