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Finding the Fourth Proportional to 302,435.70, 453,635.19 and 133,906.92

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Solution

The fourth proportional to 302,435.70, 453,635.19 and 133,906.92 is: 200,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,435.70 : 453,635.19 = 133,906.92 : x
  2. Step 2: Convert to fraction form
    302,435.70/453,635.19 = 133,906.92/x
  3. Step 3: Cross multiply
    302,435.70x = 453,635.19 × 133,906.92
  4. Step 4: Simplify right side
    302,435.70x = 60,744,891,096.51
  5. Step 5: Solve for x
    x = 60,744,891,096.51/302,435.70
  6. Step 6: Final answer
    x = 200,852.25

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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.