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Finding the Fourth Proportional to 382,427.79, 573,220.60 and 157,664.94

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Solution

The fourth proportional to 382,427.79, 573,220.60 and 157,664.94 is: 236,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,427.79 : 573,220.60 = 157,664.94 : x
  2. Step 2: Convert to fraction form
    382,427.79/573,220.60 = 157,664.94/x
  3. Step 3: Cross multiply
    382,427.79x = 573,220.60 × 157,664.94
  4. Step 4: Simplify right side
    382,427.79x = 90,376,791,111.60
  5. Step 5: Solve for x
    x = 90,376,791,111.60/382,427.79
  6. Step 6: Final answer
    x = 236,323.81

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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.