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Finding the Fourth Proportional to 873,763.08, 1,310,819.64 and 274,875

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Solution

The fourth proportional to 873,763.08, 1,310,819.64 and 274,875 is: 412,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,763.08 : 1,310,819.64 = 274,875 : x
  2. Step 2: Convert to fraction form
    873,763.08/1,310,819.64 = 274,875/x
  3. Step 3: Cross multiply
    873,763.08x = 1,310,819.64 × 274,875
  4. Step 4: Simplify right side
    873,763.08x = 360,311,548,545
  5. Step 5: Solve for x
    x = 360,311,548,545/873,763.08
  6. Step 6: Final answer
    x = 412,367.56

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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.