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Finding the Fourth Proportional to 536,871.68, 740,822.72 and 322,020.48

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Solution

The fourth proportional to 536,871.68, 740,822.72 and 322,020.48 is: 444,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,871.68 : 740,822.72 = 322,020.48 : x
  2. Step 2: Convert to fraction form
    536,871.68/740,822.72 = 322,020.48/x
  3. Step 3: Cross multiply
    536,871.68x = 740,822.72 × 322,020.48
  4. Step 4: Simplify right side
    536,871.68x = 238,560,087,889.31
  5. Step 5: Solve for x
    x = 238,560,087,889.31/536,871.68
  6. Step 6: Final answer
    x = 444,352.15

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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.