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Finding the Fourth Proportional to 551,078.24, 760,292.32 and 360,201.76

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Solution

The fourth proportional to 551,078.24, 760,292.32 and 360,201.76 is: 496,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,078.24 : 760,292.32 = 360,201.76 : x
  2. Step 2: Convert to fraction form
    551,078.24/760,292.32 = 360,201.76/x
  3. Step 3: Cross multiply
    551,078.24x = 760,292.32 × 360,201.76
  4. Step 4: Simplify right side
    551,078.24x = 273,858,631,778.48
  5. Step 5: Solve for x
    x = 273,858,631,778.48/551,078.24
  6. Step 6: Final answer
    x = 496,950.55

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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.