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Finding the Fourth Proportional to 531,970.96, 734,229.19 and 325,274.69

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Solution

The fourth proportional to 531,970.96, 734,229.19 and 325,274.69 is: 448,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,970.96 : 734,229.19 = 325,274.69 : x
  2. Step 2: Convert to fraction form
    531,970.96/734,229.19 = 325,274.69/x
  3. Step 3: Cross multiply
    531,970.96x = 734,229.19 × 325,274.69
  4. Step 4: Simplify right side
    531,970.96x = 238,826,170,278.33
  5. Step 5: Solve for x
    x = 238,826,170,278.33/531,970.96
  6. Step 6: Final answer
    x = 448,945.88

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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.