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Finding the Fourth Proportional to 591,617.20, 886,405.20 and 275,425.60

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Solution

The fourth proportional to 591,617.20, 886,405.20 and 275,425.60 is: 412,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,617.20 : 886,405.20 = 275,425.60 : x
  2. Step 2: Convert to fraction form
    591,617.20/886,405.20 = 275,425.60/x
  3. Step 3: Cross multiply
    591,617.20x = 886,405.20 × 275,425.60
  4. Step 4: Simplify right side
    591,617.20x = 244,138,684,053.12
  5. Step 5: Solve for x
    x = 244,138,684,053.12/591,617.20
  6. Step 6: Final answer
    x = 412,663.26

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1.5x scale

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.