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Finding the Fourth Proportional to 539,633.67, 809,309.51 and 160,452.30

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Solution

The fourth proportional to 539,633.67, 809,309.51 and 160,452.30 is: 240,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,633.67 : 809,309.51 = 160,452.30 : x
  2. Step 2: Convert to fraction form
    539,633.67/809,309.51 = 160,452.30/x
  3. Step 3: Cross multiply
    539,633.67x = 809,309.51 × 160,452.30
  4. Step 4: Simplify right side
    539,633.67x = 129,855,571,489.11
  5. Step 5: Solve for x
    x = 129,855,571,489.11/539,633.67
  6. Step 6: Final answer
    x = 240,636.53

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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.