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Finding the Fourth Proportional to 327,332.84, 449,761.69 and 260,148.20

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Solution

The fourth proportional to 327,332.84, 449,761.69 and 260,148.20 is: 357,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,332.84 : 449,761.69 = 260,148.20 : x
  2. Step 2: Convert to fraction form
    327,332.84/449,761.69 = 260,148.20/x
  3. Step 3: Cross multiply
    327,332.84x = 449,761.69 × 260,148.20
  4. Step 4: Simplify right side
    327,332.84x = 117,004,694,082.46
  5. Step 5: Solve for x
    x = 117,004,694,082.46/327,332.84
  6. Step 6: Final answer
    x = 357,448.69

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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.