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Finding the Fourth Proportional to 531,313.64, 796,536.16 and 247,181.30

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Solution

The fourth proportional to 531,313.64, 796,536.16 and 247,181.30 is: 370,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,313.64 : 796,536.16 = 247,181.30 : x
  2. Step 2: Convert to fraction form
    531,313.64/796,536.16 = 247,181.30/x
  3. Step 3: Cross multiply
    531,313.64x = 796,536.16 × 247,181.30
  4. Step 4: Simplify right side
    531,313.64x = 196,888,843,525.81
  5. Step 5: Solve for x
    x = 196,888,843,525.81/531,313.64
  6. Step 6: Final answer
    x = 370,569.90

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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.