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Finding the Fourth Proportional to 539,736.04, 809,462.76 and 160,554.61

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Solution

The fourth proportional to 539,736.04, 809,462.76 and 160,554.61 is: 240,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,736.04 : 809,462.76 = 160,554.61 : x
  2. Step 2: Convert to fraction form
    539,736.04/809,462.76 = 160,554.61/x
  3. Step 3: Cross multiply
    539,736.04x = 809,462.76 × 160,554.61
  4. Step 4: Simplify right side
    539,736.04x = 129,962,977,741.32
  5. Step 5: Solve for x
    x = 129,962,977,741.32/539,736.04
  6. Step 6: Final answer
    x = 240,789.88

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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.