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Finding the Fourth Proportional to 312,476.05, 468,736.09 and 154,662.13

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Solution

The fourth proportional to 312,476.05, 468,736.09 and 154,662.13 is: 232,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,476.05 : 468,736.09 = 154,662.13 : x
  2. Step 2: Convert to fraction form
    312,476.05/468,736.09 = 154,662.13/x
  3. Step 3: Cross multiply
    312,476.05x = 468,736.09 × 154,662.13
  4. Step 4: Simplify right side
    312,476.05x = 72,495,722,087.27
  5. Step 5: Solve for x
    x = 72,495,722,087.27/312,476.05
  6. Step 6: Final answer
    x = 232,004.09

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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.