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Finding the Fourth Proportional to 308,687.10, 462,771.45 and 160,943.10

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Solution

The fourth proportional to 308,687.10, 462,771.45 and 160,943.10 is: 241,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,687.10 : 462,771.45 = 160,943.10 : x
  2. Step 2: Convert to fraction form
    308,687.10/462,771.45 = 160,943.10/x
  3. Step 3: Cross multiply
    308,687.10x = 462,771.45 × 160,943.10
  4. Step 4: Simplify right side
    308,687.10x = 74,479,871,754.50
  5. Step 5: Solve for x
    x = 74,479,871,754.50/308,687.10
  6. Step 6: Final answer
    x = 241,279.51

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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.