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Finding the Fourth Proportional to 1,014.34, 1,521.24 and 365.08

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Solution

The fourth proportional to 1,014.34, 1,521.24 and 365.08 is: 547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.34 : 1,521.24 = 365.08 : x
  2. Step 2: Convert to fraction form
    1,014.34/1,521.24 = 365.08/x
  3. Step 3: Cross multiply
    1,014.34x = 1,521.24 × 365.08
  4. Step 4: Simplify right side
    1,014.34x = 555,374.30
  5. Step 5: Solve for x
    x = 555,374.30/1,014.34
  6. Step 6: Final answer
    x = 547.52

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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.