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Finding the Fourth Proportional to 469,151.65, 703,727.48 and 405,783.54

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Solution

The fourth proportional to 469,151.65, 703,727.48 and 405,783.54 is: 608,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,151.65 : 703,727.48 = 405,783.54 : x
  2. Step 2: Convert to fraction form
    469,151.65/703,727.48 = 405,783.54/x
  3. Step 3: Cross multiply
    469,151.65x = 703,727.48 × 405,783.54
  4. Step 4: Simplify right side
    469,151.65x = 285,561,027,560.70
  5. Step 5: Solve for x
    x = 285,561,027,560.70/469,151.65
  6. Step 6: Final answer
    x = 608,675.31

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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.