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Finding the Fourth Proportional to 1,468.53, 2,203.20 and 603.45

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Solution

The fourth proportional to 1,468.53, 2,203.20 and 603.45 is: 905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.53 : 2,203.20 = 603.45 : x
  2. Step 2: Convert to fraction form
    1,468.53/2,203.20 = 603.45/x
  3. Step 3: Cross multiply
    1,468.53x = 2,203.20 × 603.45
  4. Step 4: Simplify right side
    1,468.53x = 1,329,521.04
  5. Step 5: Solve for x
    x = 1,329,521.04/1,468.53
  6. Step 6: Final answer
    x = 905.34

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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.