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Finding the Fourth Proportional to 587,530.28, 881,544.63 and 320,979.41

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Solution

The fourth proportional to 587,530.28, 881,544.63 and 320,979.41 is: 481,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,530.28 : 881,544.63 = 320,979.41 : x
  2. Step 2: Convert to fraction form
    587,530.28/881,544.63 = 320,979.41/x
  3. Step 3: Cross multiply
    587,530.28x = 881,544.63 × 320,979.41
  4. Step 4: Simplify right side
    587,530.28x = 282,957,680,286.50
  5. Step 5: Solve for x
    x = 282,957,680,286.50/587,530.28
  6. Step 6: Final answer
    x = 481,605.27

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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.