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Finding the Fourth Proportional to 327,324.84, 449,750.73 and 260,140.20

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Solution

The fourth proportional to 327,324.84, 449,750.73 and 260,140.20 is: 357,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,324.84 : 449,750.73 = 260,140.20 : x
  2. Step 2: Convert to fraction form
    327,324.84/449,750.73 = 260,140.20/x
  3. Step 3: Cross multiply
    327,324.84x = 449,750.73 × 260,140.20
  4. Step 4: Simplify right side
    327,324.84x = 116,998,244,852.35
  5. Step 5: Solve for x
    x = 116,998,244,852.35/327,324.84
  6. Step 6: Final answer
    x = 357,437.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.