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Finding the Fourth Proportional to 580,937.29, 801,768.63 and 326,288.47

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Solution

The fourth proportional to 580,937.29, 801,768.63 and 326,288.47 is: 450,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,937.29 : 801,768.63 = 326,288.47 : x
  2. Step 2: Convert to fraction form
    580,937.29/801,768.63 = 326,288.47/x
  3. Step 3: Cross multiply
    580,937.29x = 801,768.63 × 326,288.47
  4. Step 4: Simplify right side
    580,937.29x = 261,607,855,567.85
  5. Step 5: Solve for x
    x = 261,607,855,567.85/580,937.29
  6. Step 6: Final answer
    x = 450,320.31

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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.