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Finding the Fourth Proportional to 395,697.62, 546,050.85 and 225,898.58

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Solution

The fourth proportional to 395,697.62, 546,050.85 and 225,898.58 is: 311,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,697.62 : 546,050.85 = 225,898.58 : x
  2. Step 2: Convert to fraction form
    395,697.62/546,050.85 = 225,898.58/x
  3. Step 3: Cross multiply
    395,697.62x = 546,050.85 × 225,898.58
  4. Step 4: Simplify right side
    395,697.62x = 123,352,111,622.79
  5. Step 5: Solve for x
    x = 123,352,111,622.79/395,697.62
  6. Step 6: Final answer
    x = 311,733.27

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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.