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Finding the Fourth Proportional to 482,639.31, 666,040.43 and 264,851.64

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Solution

The fourth proportional to 482,639.31, 666,040.43 and 264,851.64 is: 365,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,639.31 : 666,040.43 = 264,851.64 : x
  2. Step 2: Convert to fraction form
    482,639.31/666,040.43 = 264,851.64/x
  3. Step 3: Cross multiply
    482,639.31x = 666,040.43 × 264,851.64
  4. Step 4: Simplify right side
    482,639.31x = 176,401,902,239.49
  5. Step 5: Solve for x
    x = 176,401,902,239.49/482,639.31
  6. Step 6: Final answer
    x = 365,494.27

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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.