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Finding the Fourth Proportional to 583,230.50, 804,858.09 and 314,958.50

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Solution

The fourth proportional to 583,230.50, 804,858.09 and 314,958.50 is: 434,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,230.50 : 804,858.09 = 314,958.50 : x
  2. Step 2: Convert to fraction form
    583,230.50/804,858.09 = 314,958.50/x
  3. Step 3: Cross multiply
    583,230.50x = 804,858.09 × 314,958.50
  4. Step 4: Simplify right side
    583,230.50x = 253,496,896,739.27
  5. Step 5: Solve for x
    x = 253,496,896,739.27/583,230.50
  6. Step 6: Final answer
    x = 434,642.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.