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Finding the Fourth Proportional to 590,874.54, 815,783.96 and 482,238.39

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Solution

The fourth proportional to 590,874.54, 815,783.96 and 482,238.39 is: 665,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,874.54 : 815,783.96 = 482,238.39 : x
  2. Step 2: Convert to fraction form
    590,874.54/815,783.96 = 482,238.39/x
  3. Step 3: Cross multiply
    590,874.54x = 815,783.96 × 482,238.39
  4. Step 4: Simplify right side
    590,874.54x = 393,402,341,047.03
  5. Step 5: Solve for x
    x = 393,402,341,047.03/590,874.54
  6. Step 6: Final answer
    x = 665,796.74

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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.