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Finding the Fourth Proportional to 302,495.40, 453,305.70 and 133,877.70

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Solution

The fourth proportional to 302,495.40, 453,305.70 and 133,877.70 is: 200,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,495.40 : 453,305.70 = 133,877.70 : x
  2. Step 2: Convert to fraction form
    302,495.40/453,305.70 = 133,877.70/x
  3. Step 3: Cross multiply
    302,495.40x = 453,305.70 × 133,877.70
  4. Step 4: Simplify right side
    302,495.40x = 60,687,524,512.89
  5. Step 5: Solve for x
    x = 60,687,524,512.89/302,495.40
  6. Step 6: Final answer
    x = 200,622.97

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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.