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Finding the Fourth Proportional to 587,322.03, 810,894.48 and 451,112.43

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Solution

The fourth proportional to 587,322.03, 810,894.48 and 451,112.43 is: 622,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,322.03 : 810,894.48 = 451,112.43 : x
  2. Step 2: Convert to fraction form
    587,322.03/810,894.48 = 451,112.43/x
  3. Step 3: Cross multiply
    587,322.03x = 810,894.48 × 451,112.43
  4. Step 4: Simplify right side
    587,322.03x = 365,804,579,346.39
  5. Step 5: Solve for x
    x = 365,804,579,346.39/587,322.03
  6. Step 6: Final answer
    x = 622,834.77

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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.