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Finding the Fourth Proportional to 366,687.84, 550,188.63 and 153,505.56

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Solution

The fourth proportional to 366,687.84, 550,188.63 and 153,505.56 is: 230,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,687.84 : 550,188.63 = 153,505.56 : x
  2. Step 2: Convert to fraction form
    366,687.84/550,188.63 = 153,505.56/x
  3. Step 3: Cross multiply
    366,687.84x = 550,188.63 × 153,505.56
  4. Step 4: Simplify right side
    366,687.84x = 84,457,013,753.78
  5. Step 5: Solve for x
    x = 84,457,013,753.78/366,687.84
  6. Step 6: Final answer
    x = 230,324.01

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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.