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Finding the Fourth Proportional to 484,680.32, 669,065.28 and 325,796.48

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Solution

The fourth proportional to 484,680.32, 669,065.28 and 325,796.48 is: 449,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,680.32 : 669,065.28 = 325,796.48 : x
  2. Step 2: Convert to fraction form
    484,680.32/669,065.28 = 325,796.48/x
  3. Step 3: Cross multiply
    484,680.32x = 669,065.28 × 325,796.48
  4. Step 4: Simplify right side
    484,680.32x = 217,979,113,114.21
  5. Step 5: Solve for x
    x = 217,979,113,114.21/484,680.32
  6. Step 6: Final answer
    x = 449,737.91

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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.