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Finding the Fourth Proportional to 379,971.97, 570,610.64 and 337,373.33

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Solution

The fourth proportional to 379,971.97, 570,610.64 and 337,373.33 is: 506,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,971.97 : 570,610.64 = 337,373.33 : x
  2. Step 2: Convert to fraction form
    379,971.97/570,610.64 = 337,373.33/x
  3. Step 3: Cross multiply
    379,971.97x = 570,610.64 × 337,373.33
  4. Step 4: Simplify right side
    379,971.97x = 192,508,809,740.61
  5. Step 5: Solve for x
    x = 192,508,809,740.61/379,971.97
  6. Step 6: Final answer
    x = 506,639.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.