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Finding the Fourth Proportional to 630,304.43, 945,074.73 and 251,282.75

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Solution

The fourth proportional to 630,304.43, 945,074.73 and 251,282.75 is: 376,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,304.43 : 945,074.73 = 251,282.75 : x
  2. Step 2: Convert to fraction form
    630,304.43/945,074.73 = 251,282.75/x
  3. Step 3: Cross multiply
    630,304.43x = 945,074.73 × 251,282.75
  4. Step 4: Simplify right side
    630,304.43x = 237,480,977,109.91
  5. Step 5: Solve for x
    x = 237,480,977,109.91/630,304.43
  6. Step 6: Final answer
    x = 376,771.87

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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.