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Finding the Fourth Proportional to 469,747.75, 704,619.72 and 170,158.21

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Solution

The fourth proportional to 469,747.75, 704,619.72 and 170,158.21 is: 255,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,747.75 : 704,619.72 = 170,158.21 : x
  2. Step 2: Convert to fraction form
    469,747.75/704,619.72 = 170,158.21/x
  3. Step 3: Cross multiply
    469,747.75x = 704,619.72 × 170,158.21
  4. Step 4: Simplify right side
    469,747.75x = 119,896,830,285.90
  5. Step 5: Solve for x
    x = 119,896,830,285.90/469,747.75
  6. Step 6: Final answer
    x = 255,236.62

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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.