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Finding the Fourth Proportional to 1,357.73, 2,036.99 and 433.37

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Solution

The fourth proportional to 1,357.73, 2,036.99 and 433.37 is: 650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.73 : 2,036.99 = 433.37 : x
  2. Step 2: Convert to fraction form
    1,357.73/2,036.99 = 433.37/x
  3. Step 3: Cross multiply
    1,357.73x = 2,036.99 × 433.37
  4. Step 4: Simplify right side
    1,357.73x = 882,758.00
  5. Step 5: Solve for x
    x = 882,758.00/1,357.73
  6. Step 6: Final answer
    x = 650.17

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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.