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Finding the Fourth Proportional to 588,877.37, 812,650.91 and 320,605.37

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Solution

The fourth proportional to 588,877.37, 812,650.91 and 320,605.37 is: 442,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,877.37 : 812,650.91 = 320,605.37 : x
  2. Step 2: Convert to fraction form
    588,877.37/812,650.91 = 320,605.37/x
  3. Step 3: Cross multiply
    588,877.37x = 812,650.91 × 320,605.37
  4. Step 4: Simplify right side
    588,877.37x = 260,540,245,681.39
  5. Step 5: Solve for x
    x = 260,540,245,681.39/588,877.37
  6. Step 6: Final answer
    x = 442,435.49

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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.