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Finding the Fourth Proportional to 264,740.80, 397,111.20 and 236,747.20

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Solution

The fourth proportional to 264,740.80, 397,111.20 and 236,747.20 is: 355,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,740.80 : 397,111.20 = 236,747.20 : x
  2. Step 2: Convert to fraction form
    264,740.80/397,111.20 = 236,747.20/x
  3. Step 3: Cross multiply
    264,740.80x = 397,111.20 × 236,747.20
  4. Step 4: Simplify right side
    264,740.80x = 94,014,964,688.64
  5. Step 5: Solve for x
    x = 94,014,964,688.64/264,740.80
  6. Step 6: Final answer
    x = 355,120.80

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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.