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Finding the Fourth Proportional to 382,689.39, 573,661.89 and 182,957.97

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Solution

The fourth proportional to 382,689.39, 573,661.89 and 182,957.97 is: 274,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,689.39 : 573,661.89 = 182,957.97 : x
  2. Step 2: Convert to fraction form
    382,689.39/573,661.89 = 182,957.97/x
  3. Step 3: Cross multiply
    382,689.39x = 573,661.89 × 182,957.97
  4. Step 4: Simplify right side
    382,689.39x = 104,956,014,860.76
  5. Step 5: Solve for x
    x = 104,956,014,860.76/382,689.39
  6. Step 6: Final answer
    x = 274,259.01

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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.