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Finding the Fourth Proportional to 448,461.38, 672,694.50 and 116,037.38

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Solution

The fourth proportional to 448,461.38, 672,694.50 and 116,037.38 is: 174,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,461.38 : 672,694.50 = 116,037.38 : x
  2. Step 2: Convert to fraction form
    448,461.38/672,694.50 = 116,037.38/x
  3. Step 3: Cross multiply
    448,461.38x = 672,694.50 × 116,037.38
  4. Step 4: Simplify right side
    448,461.38x = 78,057,703,956.94
  5. Step 5: Solve for x
    x = 78,057,703,956.94/448,461.38
  6. Step 6: Final answer
    x = 174,056.69

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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.