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Finding the Fourth Proportional to 382,577.49, 573,935.90 and 126,424.71

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Solution

The fourth proportional to 382,577.49, 573,935.90 and 126,424.71 is: 189,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,577.49 : 573,935.90 = 126,424.71 : x
  2. Step 2: Convert to fraction form
    382,577.49/573,935.90 = 126,424.71/x
  3. Step 3: Cross multiply
    382,577.49x = 573,935.90 × 126,424.71
  4. Step 4: Simplify right side
    382,577.49x = 72,559,679,083.97
  5. Step 5: Solve for x
    x = 72,559,679,083.97/382,577.49
  6. Step 6: Final answer
    x = 189,660.08

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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.