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Finding the Fourth Proportional to 456,789.94, 630,354.04 and 252,841.25

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Solution

The fourth proportional to 456,789.94, 630,354.04 and 252,841.25 is: 348,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,789.94 : 630,354.04 = 252,841.25 : x
  2. Step 2: Convert to fraction form
    456,789.94/630,354.04 = 252,841.25/x
  3. Step 3: Cross multiply
    456,789.94x = 630,354.04 × 252,841.25
  4. Step 4: Simplify right side
    456,789.94x = 159,379,504,359.93
  5. Step 5: Solve for x
    x = 159,379,504,359.93/456,789.94
  6. Step 6: Final answer
    x = 348,912.03

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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.