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Finding the Fourth Proportional to 476,383.87, 713,641.60 and 276,283.90

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Solution

The fourth proportional to 476,383.87, 713,641.60 and 276,283.90 is: 413,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,383.87 : 713,641.60 = 276,283.90 : x
  2. Step 2: Convert to fraction form
    476,383.87/713,641.60 = 276,283.90/x
  3. Step 3: Cross multiply
    476,383.87x = 713,641.60 × 276,283.90
  4. Step 4: Simplify right side
    476,383.87x = 197,167,684,450.24
  5. Step 5: Solve for x
    x = 197,167,684,450.24/476,383.87
  6. Step 6: Final answer
    x = 413,884.05

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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.