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Finding the Fourth Proportional to 469,162.73, 647,386.62 and 333,147.05

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Solution

The fourth proportional to 469,162.73, 647,386.62 and 333,147.05 is: 459,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,162.73 : 647,386.62 = 333,147.05 : x
  2. Step 2: Convert to fraction form
    469,162.73/647,386.62 = 333,147.05/x
  3. Step 3: Cross multiply
    469,162.73x = 647,386.62 × 333,147.05
  4. Step 4: Simplify right side
    469,162.73x = 215,674,942,662.47
  5. Step 5: Solve for x
    x = 215,674,942,662.47/469,162.73
  6. Step 6: Final answer
    x = 459,701.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.