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Finding the Fourth Proportional to 303,506.28, 418,773.69 and 176,113.53

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Solution

The fourth proportional to 303,506.28, 418,773.69 and 176,113.53 is: 242,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,506.28 : 418,773.69 = 176,113.53 : x
  2. Step 2: Convert to fraction form
    303,506.28/418,773.69 = 176,113.53/x
  3. Step 3: Cross multiply
    303,506.28x = 418,773.69 × 176,113.53
  4. Step 4: Simplify right side
    303,506.28x = 73,751,712,817.03
  5. Step 5: Solve for x
    x = 73,751,712,817.03/303,506.28
  6. Step 6: Final answer
    x = 242,998.97

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Why These Related Problems?

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