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Finding the Fourth Proportional to 447,606, 617,696.28 and 246,402

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Solution

The fourth proportional to 447,606, 617,696.28 and 246,402 is: 340,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,606 : 617,696.28 = 246,402 : x
  2. Step 2: Convert to fraction form
    447,606/617,696.28 = 246,402/x
  3. Step 3: Cross multiply
    447,606x = 617,696.28 × 246,402
  4. Step 4: Simplify right side
    447,606x = 152,201,598,784.56
  5. Step 5: Solve for x
    x = 152,201,598,784.56/447,606
  6. Step 6: Final answer
    x = 340,034.76

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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.