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Finding the Fourth Proportional to 550,969.20, 826,632.42 and 270,289.62

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Solution

The fourth proportional to 550,969.20, 826,632.42 and 270,289.62 is: 405,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,969.20 : 826,632.42 = 270,289.62 : x
  2. Step 2: Convert to fraction form
    550,969.20/826,632.42 = 270,289.62/x
  3. Step 3: Cross multiply
    550,969.20x = 826,632.42 × 270,289.62
  4. Step 4: Simplify right side
    550,969.20x = 223,430,162,681.48
  5. Step 5: Solve for x
    x = 223,430,162,681.48/550,969.20
  6. Step 6: Final answer
    x = 405,522.06

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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.