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Finding the Fourth Proportional to 874,870.76, 1,312,181.52 and 275,754.03

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Solution

The fourth proportional to 874,870.76, 1,312,181.52 and 275,754.03 is: 413,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,870.76 : 1,312,181.52 = 275,754.03 : x
  2. Step 2: Convert to fraction form
    874,870.76/1,312,181.52 = 275,754.03/x
  3. Step 3: Cross multiply
    874,870.76x = 1,312,181.52 × 275,754.03
  4. Step 4: Simplify right side
    874,870.76x = 361,839,342,231.53
  5. Step 5: Solve for x
    x = 361,839,342,231.53/874,870.76
  6. Step 6: Final answer
    x = 413,591.77

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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.