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Finding the Fourth Proportional to 587,241.54, 810,450.20 and 329,162.32

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Solution

The fourth proportional to 587,241.54, 810,450.20 and 329,162.32 is: 454,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,241.54 : 810,450.20 = 329,162.32 : x
  2. Step 2: Convert to fraction form
    587,241.54/810,450.20 = 329,162.32/x
  3. Step 3: Cross multiply
    587,241.54x = 810,450.20 × 329,162.32
  4. Step 4: Simplify right side
    587,241.54x = 266,769,666,430.65
  5. Step 5: Solve for x
    x = 266,769,666,430.65/587,241.54
  6. Step 6: Final answer
    x = 454,275.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.