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Finding the Fourth Proportional to 587,360.62, 810,947.64 and 451,151.02

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Solution

The fourth proportional to 587,360.62, 810,947.64 and 451,151.02 is: 622,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,360.62 : 810,947.64 = 451,151.02 : x
  2. Step 2: Convert to fraction form
    587,360.62/810,947.64 = 451,151.02/x
  3. Step 3: Cross multiply
    587,360.62x = 810,947.64 × 451,151.02
  4. Step 4: Simplify right side
    587,360.62x = 365,859,854,952.59
  5. Step 5: Solve for x
    x = 365,859,854,952.59/587,360.62
  6. Step 6: Final answer
    x = 622,887.95

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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.