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Finding the Fourth Proportional to 362,812.20, 544,291.20 and 304,054.80

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Solution

The fourth proportional to 362,812.20, 544,291.20 and 304,054.80 is: 456,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,812.20 : 544,291.20 = 304,054.80 : x
  2. Step 2: Convert to fraction form
    362,812.20/544,291.20 = 304,054.80/x
  3. Step 3: Cross multiply
    362,812.20x = 544,291.20 × 304,054.80
  4. Step 4: Simplify right side
    362,812.20x = 165,494,351,957.76
  5. Step 5: Solve for x
    x = 165,494,351,957.76/362,812.20
  6. Step 6: Final answer
    x = 456,143.29

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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.