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Finding the Fourth Proportional to 303,616.17, 418,958.51 and 176,266.89

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Solution

The fourth proportional to 303,616.17, 418,958.51 and 176,266.89 is: 243,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,616.17 : 418,958.51 = 176,266.89 : x
  2. Step 2: Convert to fraction form
    303,616.17/418,958.51 = 176,266.89/x
  3. Step 3: Cross multiply
    303,616.17x = 418,958.51 × 176,266.89
  4. Step 4: Simplify right side
    303,616.17x = 73,848,512,715.40
  5. Step 5: Solve for x
    x = 73,848,512,715.40/303,616.17
  6. Step 6: Final answer
    x = 243,229.84

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1.5x scale

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.