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Finding the Fourth Proportional to 539,650.60, 809,334.80 and 160,469.20

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Solution

The fourth proportional to 539,650.60, 809,334.80 and 160,469.20 is: 240,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,650.60 : 809,334.80 = 160,469.20 : x
  2. Step 2: Convert to fraction form
    539,650.60/809,334.80 = 160,469.20/x
  3. Step 3: Cross multiply
    539,650.60x = 809,334.80 × 160,469.20
  4. Step 4: Simplify right side
    539,650.60x = 129,873,307,888.16
  5. Step 5: Solve for x
    x = 129,873,307,888.16/539,650.60
  6. Step 6: Final answer
    x = 240,661.84

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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.