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Finding the Fourth Proportional to 888,696.77, 1,333,048.59 and 214,776.97

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Solution

The fourth proportional to 888,696.77, 1,333,048.59 and 214,776.97 is: 322,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,696.77 : 1,333,048.59 = 214,776.97 : x
  2. Step 2: Convert to fraction form
    888,696.77/1,333,048.59 = 214,776.97/x
  3. Step 3: Cross multiply
    888,696.77x = 1,333,048.59 × 214,776.97
  4. Step 4: Simplify right side
    888,696.77x = 286,308,133,690.35
  5. Step 5: Solve for x
    x = 286,308,133,690.35/888,696.77
  6. Step 6: Final answer
    x = 322,166.28

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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.