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Finding the Fourth Proportional to 531,775.60, 733,719 and 324,991.24

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Solution

The fourth proportional to 531,775.60, 733,719 and 324,991.24 is: 448,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,775.60 : 733,719 = 324,991.24 : x
  2. Step 2: Convert to fraction form
    531,775.60/733,719 = 324,991.24/x
  3. Step 3: Cross multiply
    531,775.60x = 733,719 × 324,991.24
  4. Step 4: Simplify right side
    531,775.60x = 238,452,247,621.56
  5. Step 5: Solve for x
    x = 238,452,247,621.56/531,775.60
  6. Step 6: Final answer
    x = 448,407.65

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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.