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Finding the Fourth Proportional to 308,966.80, 463,450.20 and 151,502.80

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Solution

The fourth proportional to 308,966.80, 463,450.20 and 151,502.80 is: 227,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,966.80 : 463,450.20 = 151,502.80 : x
  2. Step 2: Convert to fraction form
    308,966.80/463,450.20 = 151,502.80/x
  3. Step 3: Cross multiply
    308,966.80x = 463,450.20 × 151,502.80
  4. Step 4: Simplify right side
    308,966.80x = 70,214,002,960.56
  5. Step 5: Solve for x
    x = 70,214,002,960.56/308,966.80
  6. Step 6: Final answer
    x = 227,254.20

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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.