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Finding the Fourth Proportional to 504,453.86, 756,680.43 and 189,059.30

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Solution

The fourth proportional to 504,453.86, 756,680.43 and 189,059.30 is: 283,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,453.86 : 756,680.43 = 189,059.30 : x
  2. Step 2: Convert to fraction form
    504,453.86/756,680.43 = 189,059.30/x
  3. Step 3: Cross multiply
    504,453.86x = 756,680.43 × 189,059.30
  4. Step 4: Simplify right side
    504,453.86x = 143,057,472,419.50
  5. Step 5: Solve for x
    x = 143,057,472,419.50/504,453.86
  6. Step 6: Final answer
    x = 283,588.82

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Double scale
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Similar ratio
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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.