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Finding the Fourth Proportional to 591,405.20, 886,087.20 and 275,213.60

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Solution

The fourth proportional to 591,405.20, 886,087.20 and 275,213.60 is: 412,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,405.20 : 886,087.20 = 275,213.60 : x
  2. Step 2: Convert to fraction form
    591,405.20/886,087.20 = 275,213.60/x
  3. Step 3: Cross multiply
    591,405.20x = 886,087.20 × 275,213.60
  4. Step 4: Simplify right side
    591,405.20x = 243,863,248,225.92
  5. Step 5: Solve for x
    x = 243,863,248,225.92/591,405.20
  6. Step 6: Final answer
    x = 412,345.46

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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.