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Finding the Fourth Proportional to 481,395.51, 664,336.16 and 263,613.37

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Solution

The fourth proportional to 481,395.51, 664,336.16 and 263,613.37 is: 363,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,395.51 : 664,336.16 = 263,613.37 : x
  2. Step 2: Convert to fraction form
    481,395.51/664,336.16 = 263,613.37/x
  3. Step 3: Cross multiply
    481,395.51x = 664,336.16 × 263,613.37
  4. Step 4: Simplify right side
    481,395.51x = 175,127,893,950.46
  5. Step 5: Solve for x
    x = 175,127,893,950.46/481,395.51
  6. Step 6: Final answer
    x = 363,792.12

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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.