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Finding the Fourth Proportional to 480,894.51, 663,629.41 and 263,101.13

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Solution

The fourth proportional to 480,894.51, 663,629.41 and 263,101.13 is: 363,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,894.51 : 663,629.41 = 263,101.13 : x
  2. Step 2: Convert to fraction form
    480,894.51/663,629.41 = 263,101.13/x
  3. Step 3: Cross multiply
    480,894.51x = 663,629.41 × 263,101.13
  4. Step 4: Simplify right side
    480,894.51x = 174,601,647,672.23
  5. Step 5: Solve for x
    x = 174,601,647,672.23/480,894.51
  6. Step 6: Final answer
    x = 363,076.82

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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.