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Finding the Fourth Proportional to 468,954.60, 647,450.82 and 361,320.36

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Solution

The fourth proportional to 468,954.60, 647,450.82 and 361,320.36 is: 498,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,954.60 : 647,450.82 = 361,320.36 : x
  2. Step 2: Convert to fraction form
    468,954.60/647,450.82 = 361,320.36/x
  3. Step 3: Cross multiply
    468,954.60x = 647,450.82 × 361,320.36
  4. Step 4: Simplify right side
    468,954.60x = 233,937,163,364.70
  5. Step 5: Solve for x
    x = 233,937,163,364.70/468,954.60
  6. Step 6: Final answer
    x = 498,848.21

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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.