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Finding the Fourth Proportional to 591,088.97, 815,708 and 336,456.56

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Solution

The fourth proportional to 591,088.97, 815,708 and 336,456.56 is: 464,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,088.97 : 815,708 = 336,456.56 : x
  2. Step 2: Convert to fraction form
    591,088.97/815,708 = 336,456.56/x
  3. Step 3: Cross multiply
    591,088.97x = 815,708 × 336,456.56
  4. Step 4: Simplify right side
    591,088.97x = 274,450,307,644.48
  5. Step 5: Solve for x
    x = 274,450,307,644.48/591,088.97
  6. Step 6: Final answer
    x = 464,313.02

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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.