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Finding the Fourth Proportional to 1,614.33, 2,420.01 and 573.62

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Solution

The fourth proportional to 1,614.33, 2,420.01 and 573.62 is: 859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.33 : 2,420.01 = 573.62 : x
  2. Step 2: Convert to fraction form
    1,614.33/2,420.01 = 573.62/x
  3. Step 3: Cross multiply
    1,614.33x = 2,420.01 × 573.62
  4. Step 4: Simplify right side
    1,614.33x = 1,388,154.04
  5. Step 5: Solve for x
    x = 1,388,154.04/1,614.33
  6. Step 6: Final answer
    x = 859.89

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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.