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Finding the Fourth Proportional to 505,972.99, 758,847.67 and 146,065.62

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Solution

The fourth proportional to 505,972.99, 758,847.67 and 146,065.62 is: 219,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,972.99 : 758,847.67 = 146,065.62 : x
  2. Step 2: Convert to fraction form
    505,972.99/758,847.67 = 146,065.62/x
  3. Step 3: Cross multiply
    505,972.99x = 758,847.67 × 146,065.62
  4. Step 4: Simplify right side
    505,972.99x = 110,841,555,404.11
  5. Step 5: Solve for x
    x = 110,841,555,404.11/505,972.99
  6. Step 6: Final answer
    x = 219,066.15

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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.