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Finding the Fourth Proportional to 536,584.80, 804,585.60 and 221,073.60

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Solution

The fourth proportional to 536,584.80, 804,585.60 and 221,073.60 is: 331,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,584.80 : 804,585.60 = 221,073.60 : x
  2. Step 2: Convert to fraction form
    536,584.80/804,585.60 = 221,073.60/x
  3. Step 3: Cross multiply
    536,584.80x = 804,585.60 × 221,073.60
  4. Step 4: Simplify right side
    536,584.80x = 177,872,635,100.16
  5. Step 5: Solve for x
    x = 177,872,635,100.16/536,584.80
  6. Step 6: Final answer
    x = 331,490.26

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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.