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Finding the Fourth Proportional to 579,203.24, 799,322.10 and 324,545

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Solution

The fourth proportional to 579,203.24, 799,322.10 and 324,545 is: 447,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,203.24 : 799,322.10 = 324,545 : x
  2. Step 2: Convert to fraction form
    579,203.24/799,322.10 = 324,545/x
  3. Step 3: Cross multiply
    579,203.24x = 799,322.10 × 324,545
  4. Step 4: Simplify right side
    579,203.24x = 259,415,990,944.50
  5. Step 5: Solve for x
    x = 259,415,990,944.50/579,203.24
  6. Step 6: Final answer
    x = 447,884.22

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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.