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Finding the Fourth Proportional to 583,879.12, 805,809 and 366,122.48

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Solution

The fourth proportional to 583,879.12, 805,809 and 366,122.48 is: 505,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,879.12 : 805,809 = 366,122.48 : x
  2. Step 2: Convert to fraction form
    583,879.12/805,809 = 366,122.48/x
  3. Step 3: Cross multiply
    583,879.12x = 805,809 × 366,122.48
  4. Step 4: Simplify right side
    583,879.12x = 295,024,789,486.32
  5. Step 5: Solve for x
    x = 295,024,789,486.32/583,879.12
  6. Step 6: Final answer
    x = 505,284.02

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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.