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Finding the Fourth Proportional to 493,606.36, 740,409.54 and 119,629.36

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Solution

The fourth proportional to 493,606.36, 740,409.54 and 119,629.36 is: 179,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,606.36 : 740,409.54 = 119,629.36 : x
  2. Step 2: Convert to fraction form
    493,606.36/740,409.54 = 119,629.36/x
  3. Step 3: Cross multiply
    493,606.36x = 740,409.54 × 119,629.36
  4. Step 4: Simplify right side
    493,606.36x = 88,574,719,408.09
  5. Step 5: Solve for x
    x = 88,574,719,408.09/493,606.36
  6. Step 6: Final answer
    x = 179,444.04

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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.