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Finding the Fourth Proportional to 483,794.88, 667,962.72 and 432,648.96

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Solution

The fourth proportional to 483,794.88, 667,962.72 and 432,648.96 is: 597,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,794.88 : 667,962.72 = 432,648.96 : x
  2. Step 2: Convert to fraction form
    483,794.88/667,962.72 = 432,648.96/x
  3. Step 3: Cross multiply
    483,794.88x = 667,962.72 × 432,648.96
  4. Step 4: Simplify right side
    483,794.88x = 288,993,376,126.77
  5. Step 5: Solve for x
    x = 288,993,376,126.77/483,794.88
  6. Step 6: Final answer
    x = 597,346.91

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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.