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Finding the Fourth Proportional to 308,213.10, 462,028.05 and 181,950.30

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Solution

The fourth proportional to 308,213.10, 462,028.05 and 181,950.30 is: 272,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,213.10 : 462,028.05 = 181,950.30 : x
  2. Step 2: Convert to fraction form
    308,213.10/462,028.05 = 181,950.30/x
  3. Step 3: Cross multiply
    308,213.10x = 462,028.05 × 181,950.30
  4. Step 4: Simplify right side
    308,213.10x = 84,066,142,305.92
  5. Step 5: Solve for x
    x = 84,066,142,305.92/308,213.10
  6. Step 6: Final answer
    x = 272,753.31

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1.5x scale

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.