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Finding the Fourth Proportional to 382,355.31, 573,531.05 and 98,044.59

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Solution

The fourth proportional to 382,355.31, 573,531.05 and 98,044.59 is: 147,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,355.31 : 573,531.05 = 98,044.59 : x
  2. Step 2: Convert to fraction form
    382,355.31/573,531.05 = 98,044.59/x
  3. Step 3: Cross multiply
    382,355.31x = 573,531.05 × 98,044.59
  4. Step 4: Simplify right side
    382,355.31x = 56,231,616,159.30
  5. Step 5: Solve for x
    x = 56,231,616,159.30/382,355.31
  6. Step 6: Final answer
    x = 147,066.39

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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.