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Finding the Fourth Proportional to 441,653.66, 662,466.36 and 185,621.87

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Solution

The fourth proportional to 441,653.66, 662,466.36 and 185,621.87 is: 278,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,653.66 : 662,466.36 = 185,621.87 : x
  2. Step 2: Convert to fraction form
    441,653.66/662,466.36 = 185,621.87/x
  3. Step 3: Cross multiply
    441,653.66x = 662,466.36 × 185,621.87
  4. Step 4: Simplify right side
    441,653.66x = 122,968,244,555.29
  5. Step 5: Solve for x
    x = 122,968,244,555.29/441,653.66
  6. Step 6: Final answer
    x = 278,426.87

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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.