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Finding the Fourth Proportional to 539,551.64, 809,326.56 and 160,470.56

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Solution

The fourth proportional to 539,551.64, 809,326.56 and 160,470.56 is: 240,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,551.64 : 809,326.56 = 160,470.56 : x
  2. Step 2: Convert to fraction form
    539,551.64/809,326.56 = 160,470.56/x
  3. Step 3: Cross multiply
    539,551.64x = 809,326.56 × 160,470.56
  4. Step 4: Simplify right side
    539,551.64x = 129,873,086,306.07
  5. Step 5: Solve for x
    x = 129,873,086,306.07/539,551.64
  6. Step 6: Final answer
    x = 240,705.57

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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.