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Finding the Fourth Proportional to 236,477.76, 326,379.84 and 225,848.64

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Solution

The fourth proportional to 236,477.76, 326,379.84 and 225,848.64 is: 311,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,477.76 : 326,379.84 = 225,848.64 : x
  2. Step 2: Convert to fraction form
    236,477.76/326,379.84 = 225,848.64/x
  3. Step 3: Cross multiply
    236,477.76x = 326,379.84 × 225,848.64
  4. Step 4: Simplify right side
    236,477.76x = 73,712,442,987.42
  5. Step 5: Solve for x
    x = 73,712,442,987.42/236,477.76
  6. Step 6: Final answer
    x = 311,709.83

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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.