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Finding the Fourth Proportional to 302,322.98, 453,385.15 and 133,839.84

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Solution

The fourth proportional to 302,322.98, 453,385.15 and 133,839.84 is: 200,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,322.98 : 453,385.15 = 133,839.84 : x
  2. Step 2: Convert to fraction form
    302,322.98/453,385.15 = 133,839.84/x
  3. Step 3: Cross multiply
    302,322.98x = 453,385.15 × 133,839.84
  4. Step 4: Simplify right side
    302,322.98x = 60,680,997,299.97
  5. Step 5: Solve for x
    x = 60,680,997,299.97/302,322.98
  6. Step 6: Final answer
    x = 200,715.79

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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.