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Finding the Fourth Proportional to 536,752.88, 740,757.68 and 321,889.04

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Solution

The fourth proportional to 536,752.88, 740,757.68 and 321,889.04 is: 444,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,752.88 : 740,757.68 = 321,889.04 : x
  2. Step 2: Convert to fraction form
    536,752.88/740,757.68 = 321,889.04/x
  3. Step 3: Cross multiply
    536,752.88x = 740,757.68 × 321,889.04
  4. Step 4: Simplify right side
    536,752.88x = 238,441,778,487.83
  5. Step 5: Solve for x
    x = 238,441,778,487.83/536,752.88
  6. Step 6: Final answer
    x = 444,230.09

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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.