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Finding the Fourth Proportional to 583,640.53, 805,798.71 and 366,147.33

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Solution

The fourth proportional to 583,640.53, 805,798.71 and 366,147.33 is: 505,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,640.53 : 805,798.71 = 366,147.33 : x
  2. Step 2: Convert to fraction form
    583,640.53/805,798.71 = 366,147.33/x
  3. Step 3: Cross multiply
    583,640.53x = 805,798.71 × 366,147.33
  4. Step 4: Simplify right side
    583,640.53x = 295,041,046,183.94
  5. Step 5: Solve for x
    x = 295,041,046,183.94/583,640.53
  6. Step 6: Final answer
    x = 505,518.43

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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.