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Finding the Fourth Proportional to 1,014.60, 1,522.10 and 365.32

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Solution

The fourth proportional to 1,014.60, 1,522.10 and 365.32 is: 548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.60 : 1,522.10 = 365.32 : x
  2. Step 2: Convert to fraction form
    1,014.60/1,522.10 = 365.32/x
  3. Step 3: Cross multiply
    1,014.60x = 1,522.10 × 365.32
  4. Step 4: Simplify right side
    1,014.60x = 556,053.57
  5. Step 5: Solve for x
    x = 556,053.57/1,014.60
  6. Step 6: Final answer
    x = 548.05

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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.