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Finding the Fourth Proportional to 548,050.62, 820,008.81 and 323,533.20

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Solution

The fourth proportional to 548,050.62, 820,008.81 and 323,533.20 is: 484,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,050.62 : 820,008.81 = 323,533.20 : x
  2. Step 2: Convert to fraction form
    548,050.62/820,008.81 = 323,533.20/x
  3. Step 3: Cross multiply
    548,050.62x = 820,008.81 × 323,533.20
  4. Step 4: Simplify right side
    548,050.62x = 265,300,074,327.49
  5. Step 5: Solve for x
    x = 265,300,074,327.49/548,050.62
  6. Step 6: Final answer
    x = 484,079.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.