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Finding the Fourth Proportional to 1,014.94, 1,522.86 and 365.77

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Solution

The fourth proportional to 1,014.94, 1,522.86 and 365.77 is: 548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.94 : 1,522.86 = 365.77 : x
  2. Step 2: Convert to fraction form
    1,014.94/1,522.86 = 365.77/x
  3. Step 3: Cross multiply
    1,014.94x = 1,522.86 × 365.77
  4. Step 4: Simplify right side
    1,014.94x = 557,016.50
  5. Step 5: Solve for x
    x = 557,016.50/1,014.94
  6. Step 6: Final answer
    x = 548.82

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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.