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Finding the Fourth Proportional to 531,311.64, 796,533.17 and 247,179.30

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Solution

The fourth proportional to 531,311.64, 796,533.17 and 247,179.30 is: 370,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,311.64 : 796,533.17 = 247,179.30 : x
  2. Step 2: Convert to fraction form
    531,311.64/796,533.17 = 247,179.30/x
  3. Step 3: Cross multiply
    531,311.64x = 796,533.17 × 247,179.30
  4. Step 4: Simplify right side
    531,311.64x = 196,886,510,151.49
  5. Step 5: Solve for x
    x = 196,886,510,151.49/531,311.64
  6. Step 6: Final answer
    x = 370,566.91

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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.