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Finding the Fourth Proportional to 531,119.57, 796,914.83 and 278,339.96

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Solution

The fourth proportional to 531,119.57, 796,914.83 and 278,339.96 is: 417,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,119.57 : 796,914.83 = 278,339.96 : x
  2. Step 2: Convert to fraction form
    531,119.57/796,914.83 = 278,339.96/x
  3. Step 3: Cross multiply
    531,119.57x = 796,914.83 × 278,339.96
  4. Step 4: Simplify right side
    531,119.57x = 221,813,244,593.74
  5. Step 5: Solve for x
    x = 221,813,244,593.74/531,119.57
  6. Step 6: Final answer
    x = 417,633.35

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1.5x scale

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.