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Finding the Fourth Proportional to 1,036.14, 1,553.73 and 603.42

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Solution

The fourth proportional to 1,036.14, 1,553.73 and 603.42 is: 904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.14 : 1,553.73 = 603.42 : x
  2. Step 2: Convert to fraction form
    1,036.14/1,553.73 = 603.42/x
  3. Step 3: Cross multiply
    1,036.14x = 1,553.73 × 603.42
  4. Step 4: Simplify right side
    1,036.14x = 937,551.76
  5. Step 5: Solve for x
    x = 937,551.76/1,036.14
  6. Step 6: Final answer
    x = 904.85

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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.