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Finding the Fourth Proportional to 393,570.60, 590,292.54 and 113,024.04

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Solution

The fourth proportional to 393,570.60, 590,292.54 and 113,024.04 is: 169,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,570.60 : 590,292.54 = 113,024.04 : x
  2. Step 2: Convert to fraction form
    393,570.60/590,292.54 = 113,024.04/x
  3. Step 3: Cross multiply
    393,570.60x = 590,292.54 × 113,024.04
  4. Step 4: Simplify right side
    393,570.60x = 66,717,247,652.66
  5. Step 5: Solve for x
    x = 66,717,247,652.66/393,570.60
  6. Step 6: Final answer
    x = 169,517.86

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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.