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Finding the Fourth Proportional to 362,710.20, 544,065.30 and 323,311.80

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Solution

The fourth proportional to 362,710.20, 544,065.30 and 323,311.80 is: 484,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,710.20 : 544,065.30 = 323,311.80 : x
  2. Step 2: Convert to fraction form
    362,710.20/544,065.30 = 323,311.80/x
  3. Step 3: Cross multiply
    362,710.20x = 544,065.30 × 323,311.80
  4. Step 4: Simplify right side
    362,710.20x = 175,902,731,460.54
  5. Step 5: Solve for x
    x = 175,902,731,460.54/362,710.20
  6. Step 6: Final answer
    x = 484,967.70

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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.