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Finding the Fourth Proportional to 592,408.44, 817,521.14 and 320,475.64

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Solution

The fourth proportional to 592,408.44, 817,521.14 and 320,475.64 is: 442,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,408.44 : 817,521.14 = 320,475.64 : x
  2. Step 2: Convert to fraction form
    592,408.44/817,521.14 = 320,475.64/x
  3. Step 3: Cross multiply
    592,408.44x = 817,521.14 × 320,475.64
  4. Step 4: Simplify right side
    592,408.44x = 261,995,610,555.03
  5. Step 5: Solve for x
    x = 261,995,610,555.03/592,408.44
  6. Step 6: Final answer
    x = 442,255.03

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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.