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Finding the Fourth Proportional to 281,783, 388,900.32 and 174,387.62

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Solution

The fourth proportional to 281,783, 388,900.32 and 174,387.62 is: 240,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,783 : 388,900.32 = 174,387.62 : x
  2. Step 2: Convert to fraction form
    281,783/388,900.32 = 174,387.62/x
  3. Step 3: Cross multiply
    281,783x = 388,900.32 × 174,387.62
  4. Step 4: Simplify right side
    281,783x = 67,819,401,222.04
  5. Step 5: Solve for x
    x = 67,819,401,222.04/281,783
  6. Step 6: Final answer
    x = 240,679.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.