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Finding the Fourth Proportional to 1,232.57, 1,848.46 and 410.62

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Solution

The fourth proportional to 1,232.57, 1,848.46 and 410.62 is: 615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.57 : 1,848.46 = 410.62 : x
  2. Step 2: Convert to fraction form
    1,232.57/1,848.46 = 410.62/x
  3. Step 3: Cross multiply
    1,232.57x = 1,848.46 × 410.62
  4. Step 4: Simplify right side
    1,232.57x = 759,012.59
  5. Step 5: Solve for x
    x = 759,012.59/1,232.57
  6. Step 6: Final answer
    x = 615.80

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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.