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Finding the Fourth Proportional to 1,468.90, 2,204.15 and 603.30

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Solution

The fourth proportional to 1,468.90, 2,204.15 and 603.30 is: 905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.90 : 2,204.15 = 603.30 : x
  2. Step 2: Convert to fraction form
    1,468.90/2,204.15 = 603.30/x
  3. Step 3: Cross multiply
    1,468.90x = 2,204.15 × 603.30
  4. Step 4: Simplify right side
    1,468.90x = 1,329,763.70
  5. Step 5: Solve for x
    x = 1,329,763.70/1,468.90
  6. Step 6: Final answer
    x = 905.28

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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.