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Finding the Fourth Proportional to 539,534.73, 809,126.88 and 179,608.89

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Solution

The fourth proportional to 539,534.73, 809,126.88 and 179,608.89 is: 269,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,534.73 : 809,126.88 = 179,608.89 : x
  2. Step 2: Convert to fraction form
    539,534.73/809,126.88 = 179,608.89/x
  3. Step 3: Cross multiply
    539,534.73x = 809,126.88 × 179,608.89
  4. Step 4: Simplify right side
    539,534.73x = 145,326,380,785.96
  5. Step 5: Solve for x
    x = 145,326,380,785.96/539,534.73
  6. Step 6: Final answer
    x = 269,355.01

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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.