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Finding the Fourth Proportional to 1,046.04, 1,443.28 and 603.90

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Solution

The fourth proportional to 1,046.04, 1,443.28 and 603.90 is: 833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.04 : 1,443.28 = 603.90 : x
  2. Step 2: Convert to fraction form
    1,046.04/1,443.28 = 603.90/x
  3. Step 3: Cross multiply
    1,046.04x = 1,443.28 × 603.90
  4. Step 4: Simplify right side
    1,046.04x = 871,596.79
  5. Step 5: Solve for x
    x = 871,596.79/1,046.04
  6. Step 6: Final answer
    x = 833.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.