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Finding the Fourth Proportional to 1,014.16, 1,520.28 and 364.54

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Solution

The fourth proportional to 1,014.16, 1,520.28 and 364.54 is: 546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.16 : 1,520.28 = 364.54 : x
  2. Step 2: Convert to fraction form
    1,014.16/1,520.28 = 364.54/x
  3. Step 3: Cross multiply
    1,014.16x = 1,520.28 × 364.54
  4. Step 4: Simplify right side
    1,014.16x = 554,202.87
  5. Step 5: Solve for x
    x = 554,202.87/1,014.16
  6. Step 6: Final answer
    x = 546.46

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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.