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Finding the Fourth Proportional to 392,359.84, 588,546.59 and 108,048.93

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Solution

The fourth proportional to 392,359.84, 588,546.59 and 108,048.93 is: 162,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,359.84 : 588,546.59 = 108,048.93 : x
  2. Step 2: Convert to fraction form
    392,359.84/588,546.59 = 108,048.93/x
  3. Step 3: Cross multiply
    392,359.84x = 588,546.59 × 108,048.93
  4. Step 4: Simplify right side
    392,359.84x = 63,591,826,557.35
  5. Step 5: Solve for x
    x = 63,591,826,557.35/392,359.84
  6. Step 6: Final answer
    x = 162,075.27

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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.