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Finding the Fourth Proportional to 260,527.74, 390,791.52 and 73,539.24

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Solution

The fourth proportional to 260,527.74, 390,791.52 and 73,539.24 is: 110,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,527.74 : 390,791.52 = 73,539.24 : x
  2. Step 2: Convert to fraction form
    260,527.74/390,791.52 = 73,539.24/x
  3. Step 3: Cross multiply
    260,527.74x = 390,791.52 × 73,539.24
  4. Step 4: Simplify right side
    260,527.74x = 28,738,511,379.24
  5. Step 5: Solve for x
    x = 28,738,511,379.24/260,527.74
  6. Step 6: Final answer
    x = 110,308.83

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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.