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Finding the Fourth Proportional to 245,815.59, 368,792.64 and 222,392.82

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Solution

The fourth proportional to 245,815.59, 368,792.64 and 222,392.82 is: 333,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,815.59 : 368,792.64 = 222,392.82 : x
  2. Step 2: Convert to fraction form
    245,815.59/368,792.64 = 222,392.82/x
  3. Step 3: Cross multiply
    245,815.59x = 368,792.64 × 222,392.82
  4. Step 4: Simplify right side
    245,815.59x = 82,016,835,204.84
  5. Step 5: Solve for x
    x = 82,016,835,204.84/245,815.59
  6. Step 6: Final answer
    x = 333,651.89

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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.