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Finding the Fourth Proportional to 1,459.66, 2,189.48 and 364.04

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Solution

The fourth proportional to 1,459.66, 2,189.48 and 364.04 is: 546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.66 : 2,189.48 = 364.04 : x
  2. Step 2: Convert to fraction form
    1,459.66/2,189.48 = 364.04/x
  3. Step 3: Cross multiply
    1,459.66x = 2,189.48 × 364.04
  4. Step 4: Simplify right side
    1,459.66x = 797,058.30
  5. Step 5: Solve for x
    x = 797,058.30/1,459.66
  6. Step 6: Final answer
    x = 546.06

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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.