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Finding the Fourth Proportional to 545,342.49, 817,634.16 and 241,571.70

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Solution

The fourth proportional to 545,342.49, 817,634.16 and 241,571.70 is: 362,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,342.49 : 817,634.16 = 241,571.70 : x
  2. Step 2: Convert to fraction form
    545,342.49/817,634.16 = 241,571.70/x
  3. Step 3: Cross multiply
    545,342.49x = 817,634.16 × 241,571.70
  4. Step 4: Simplify right side
    545,342.49x = 197,517,274,009.27
  5. Step 5: Solve for x
    x = 197,517,274,009.27/545,342.49
  6. Step 6: Final answer
    x = 362,189.41

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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.