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Finding the Fourth Proportional to 587,635.50, 881,702.67 and 321,084.63

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Solution

The fourth proportional to 587,635.50, 881,702.67 and 321,084.63 is: 481,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,635.50 : 881,702.67 = 321,084.63 : x
  2. Step 2: Convert to fraction form
    587,635.50/881,702.67 = 321,084.63/x
  3. Step 3: Cross multiply
    587,635.50x = 881,702.67 × 321,084.63
  4. Step 4: Simplify right side
    587,635.50x = 283,101,175,566.96
  5. Step 5: Solve for x
    x = 283,101,175,566.96/587,635.50
  6. Step 6: Final answer
    x = 481,763.23

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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.