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Finding the Fourth Proportional to 1,488.02, 2,232.04 and 448.03

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Solution

The fourth proportional to 1,488.02, 2,232.04 and 448.03 is: 672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.02 : 2,232.04 = 448.03 : x
  2. Step 2: Convert to fraction form
    1,488.02/2,232.04 = 448.03/x
  3. Step 3: Cross multiply
    1,488.02x = 2,232.04 × 448.03
  4. Step 4: Simplify right side
    1,488.02x = 1,000,007.48
  5. Step 5: Solve for x
    x = 1,000,007.48/1,488.02
  6. Step 6: Final answer
    x = 672.04

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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.