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Finding the Fourth Proportional to 536,679.89, 740,309.87 and 335,125.97

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Solution

The fourth proportional to 536,679.89, 740,309.87 and 335,125.97 is: 462,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,679.89 : 740,309.87 = 335,125.97 : x
  2. Step 2: Convert to fraction form
    536,679.89/740,309.87 = 335,125.97/x
  3. Step 3: Cross multiply
    536,679.89x = 740,309.87 × 335,125.97
  4. Step 4: Simplify right side
    536,679.89x = 248,097,057,907.15
  5. Step 5: Solve for x
    x = 248,097,057,907.15/536,679.89
  6. Step 6: Final answer
    x = 462,281.27

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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.