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Finding the Fourth Proportional to 469,628.25, 704,471.68 and 132,694.77

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Solution

The fourth proportional to 469,628.25, 704,471.68 and 132,694.77 is: 199,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,628.25 : 704,471.68 = 132,694.77 : x
  2. Step 2: Convert to fraction form
    469,628.25/704,471.68 = 132,694.77/x
  3. Step 3: Cross multiply
    469,628.25x = 704,471.68 × 132,694.77
  4. Step 4: Simplify right side
    469,628.25x = 93,479,710,356.75
  5. Step 5: Solve for x
    x = 93,479,710,356.75/469,628.25
  6. Step 6: Final answer
    x = 199,050.44

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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.