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Finding the Fourth Proportional to 365,996.28, 546,503.13 and 322,942.90

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Solution

The fourth proportional to 365,996.28, 546,503.13 and 322,942.90 is: 482,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,996.28 : 546,503.13 = 322,942.90 : x
  2. Step 2: Convert to fraction form
    365,996.28/546,503.13 = 322,942.90/x
  3. Step 3: Cross multiply
    365,996.28x = 546,503.13 × 322,942.90
  4. Step 4: Simplify right side
    365,996.28x = 176,489,305,661.28
  5. Step 5: Solve for x
    x = 176,489,305,661.28/365,996.28
  6. Step 6: Final answer
    x = 482,216.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.