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Finding the Fourth Proportional to 302,276.34, 453,414.51 and 91,914.89

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Solution

The fourth proportional to 302,276.34, 453,414.51 and 91,914.89 is: 137,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,276.34 : 453,414.51 = 91,914.89 : x
  2. Step 2: Convert to fraction form
    302,276.34/453,414.51 = 91,914.89/x
  3. Step 3: Cross multiply
    302,276.34x = 453,414.51 × 91,914.89
  4. Step 4: Simplify right side
    302,276.34x = 41,675,542,543.98
  5. Step 5: Solve for x
    x = 41,675,542,543.98/302,276.34
  6. Step 6: Final answer
    x = 137,872.33

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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.