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Finding the Fourth Proportional to 469,253.73, 703,880.44 and 405,885.41

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Solution

The fourth proportional to 469,253.73, 703,880.44 and 405,885.41 is: 608,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,253.73 : 703,880.44 = 405,885.41 : x
  2. Step 2: Convert to fraction form
    469,253.73/703,880.44 = 405,885.41/x
  3. Step 3: Cross multiply
    469,253.73x = 703,880.44 × 405,885.41
  4. Step 4: Simplify right side
    469,253.73x = 285,694,800,980.38
  5. Step 5: Solve for x
    x = 285,694,800,980.38/469,253.73
  6. Step 6: Final answer
    x = 608,827.98

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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.