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Finding the Fourth Proportional to 590,089.75, 885,131.71 and 509,883.65

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Solution

The fourth proportional to 590,089.75, 885,131.71 and 509,883.65 is: 764,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,089.75 : 885,131.71 = 509,883.65 : x
  2. Step 2: Convert to fraction form
    590,089.75/885,131.71 = 509,883.65/x
  3. Step 3: Cross multiply
    590,089.75x = 885,131.71 × 509,883.65
  4. Step 4: Simplify right side
    590,089.75x = 451,314,189,238.37
  5. Step 5: Solve for x
    x = 451,314,189,238.37/590,089.75
  6. Step 6: Final answer
    x = 764,822.96

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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.