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Finding the Fourth Proportional to 539,504.55, 809,371.44 and 160,426.17

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Solution

The fourth proportional to 539,504.55, 809,371.44 and 160,426.17 is: 240,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,504.55 : 809,371.44 = 160,426.17 : x
  2. Step 2: Convert to fraction form
    539,504.55/809,371.44 = 160,426.17/x
  3. Step 3: Cross multiply
    539,504.55x = 809,371.44 × 160,426.17
  4. Step 4: Simplify right side
    539,504.55x = 129,844,360,226.59
  5. Step 5: Solve for x
    x = 129,844,360,226.59/539,504.55
  6. Step 6: Final answer
    x = 240,673.34

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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.