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Finding the Fourth Proportional to 264,686.10, 397,029.15 and 159,450.90

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Solution

The fourth proportional to 264,686.10, 397,029.15 and 159,450.90 is: 239,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,686.10 : 397,029.15 = 159,450.90 : x
  2. Step 2: Convert to fraction form
    264,686.10/397,029.15 = 159,450.90/x
  3. Step 3: Cross multiply
    264,686.10x = 397,029.15 × 159,450.90
  4. Step 4: Simplify right side
    264,686.10x = 63,306,655,293.74
  5. Step 5: Solve for x
    x = 63,306,655,293.74/264,686.10
  6. Step 6: Final answer
    x = 239,176.35

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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.