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Finding the Fourth Proportional to 633,908.18, 949,284.91 and 443,477.11

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Solution

The fourth proportional to 633,908.18, 949,284.91 and 443,477.11 is: 664,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,908.18 : 949,284.91 = 443,477.11 : x
  2. Step 2: Convert to fraction form
    633,908.18/949,284.91 = 443,477.11/x
  3. Step 3: Cross multiply
    633,908.18x = 949,284.91 × 443,477.11
  4. Step 4: Simplify right side
    633,908.18x = 420,986,128,453.41
  5. Step 5: Solve for x
    x = 420,986,128,453.41/633,908.18
  6. Step 6: Final answer
    x = 664,112.16

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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.