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Finding the Fourth Proportional to 382,355.56, 573,531.42 and 98,044.84

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Solution

The fourth proportional to 382,355.56, 573,531.42 and 98,044.84 is: 147,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,355.56 : 573,531.42 = 98,044.84 : x
  2. Step 2: Convert to fraction form
    382,355.56/573,531.42 = 98,044.84/x
  3. Step 3: Cross multiply
    382,355.56x = 573,531.42 × 98,044.84
  4. Step 4: Simplify right side
    382,355.56x = 56,231,796,308.87
  5. Step 5: Solve for x
    x = 56,231,796,308.87/382,355.56
  6. Step 6: Final answer
    x = 147,066.77

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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.