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Finding the Fourth Proportional to 393,571.60, 590,294.04 and 113,025.04

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Solution

The fourth proportional to 393,571.60, 590,294.04 and 113,025.04 is: 169,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,571.60 : 590,294.04 = 113,025.04 : x
  2. Step 2: Convert to fraction form
    393,571.60/590,294.04 = 113,025.04/x
  3. Step 3: Cross multiply
    393,571.60x = 590,294.04 × 113,025.04
  4. Step 4: Simplify right side
    393,571.60x = 66,718,007,482.76
  5. Step 5: Solve for x
    x = 66,718,007,482.76/393,571.60
  6. Step 6: Final answer
    x = 169,519.36

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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.