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Finding the Fourth Proportional to 264,804.88, 397,167 and 87,304.72

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Solution

The fourth proportional to 264,804.88, 397,167 and 87,304.72 is: 130,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,804.88 : 397,167 = 87,304.72 : x
  2. Step 2: Convert to fraction form
    264,804.88/397,167 = 87,304.72/x
  3. Step 3: Cross multiply
    264,804.88x = 397,167 × 87,304.72
  4. Step 4: Simplify right side
    264,804.88x = 34,674,553,728.24
  5. Step 5: Solve for x
    x = 34,674,553,728.24/264,804.88
  6. Step 6: Final answer
    x = 130,943.79

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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.