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Finding the Fourth Proportional to 323,457.04, 485,350.68 and 134,060.56

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Solution

The fourth proportional to 323,457.04, 485,350.68 and 134,060.56 is: 201,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,457.04 : 485,350.68 = 134,060.56 : x
  2. Step 2: Convert to fraction form
    323,457.04/485,350.68 = 134,060.56/x
  3. Step 3: Cross multiply
    323,457.04x = 485,350.68 × 134,060.56
  4. Step 4: Simplify right side
    323,457.04x = 65,066,383,957.18
  5. Step 5: Solve for x
    x = 65,066,383,957.18/323,457.04
  6. Step 6: Final answer
    x = 201,159.28

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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.