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Finding the Fourth Proportional to 322,659.63, 483,673.55 and 180,574.29

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Solution

The fourth proportional to 322,659.63, 483,673.55 and 180,574.29 is: 270,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,659.63 : 483,673.55 = 180,574.29 : x
  2. Step 2: Convert to fraction form
    322,659.63/483,673.55 = 180,574.29/x
  3. Step 3: Cross multiply
    322,659.63x = 483,673.55 × 180,574.29
  4. Step 4: Simplify right side
    322,659.63x = 87,339,006,980.16
  5. Step 5: Solve for x
    x = 87,339,006,980.16/322,659.63
  6. Step 6: Final answer
    x = 270,684.64

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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.