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Finding the Fourth Proportional to 308,294.40, 462,441.60 and 160,531.20

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Solution

The fourth proportional to 308,294.40, 462,441.60 and 160,531.20 is: 240,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,294.40 : 462,441.60 = 160,531.20 : x
  2. Step 2: Convert to fraction form
    308,294.40/462,441.60 = 160,531.20/x
  3. Step 3: Cross multiply
    308,294.40x = 462,441.60 × 160,531.20
  4. Step 4: Simplify right side
    308,294.40x = 74,236,304,977.92
  5. Step 5: Solve for x
    x = 74,236,304,977.92/308,294.40
  6. Step 6: Final answer
    x = 240,796.80

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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.