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Finding the Fourth Proportional to 587,234.94, 810,441.08 and 329,155.71

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Solution

The fourth proportional to 587,234.94, 810,441.08 and 329,155.71 is: 454,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,234.94 : 810,441.08 = 329,155.71 : x
  2. Step 2: Convert to fraction form
    587,234.94/810,441.08 = 329,155.71/x
  3. Step 3: Cross multiply
    587,234.94x = 810,441.08 × 329,155.71
  4. Step 4: Simplify right side
    587,234.94x = 266,761,309,100.57
  5. Step 5: Solve for x
    x = 266,761,309,100.57/587,234.94
  6. Step 6: Final answer
    x = 454,266.75

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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.