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Finding the Fourth Proportional to 539,502.60, 809,361.90 and 160,422.60

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Solution

The fourth proportional to 539,502.60, 809,361.90 and 160,422.60 is: 240,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,502.60 : 809,361.90 = 160,422.60 : x
  2. Step 2: Convert to fraction form
    539,502.60/809,361.90 = 160,422.60/x
  3. Step 3: Cross multiply
    539,502.60x = 809,361.90 × 160,422.60
  4. Step 4: Simplify right side
    539,502.60x = 129,839,940,338.94
  5. Step 5: Solve for x
    x = 129,839,940,338.94/539,502.60
  6. Step 6: Final answer
    x = 240,666.01

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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.