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Finding the Fourth Proportional to 448,624.94, 672,833.67 and 133,005.74

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Solution

The fourth proportional to 448,624.94, 672,833.67 and 133,005.74 is: 199,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,624.94 : 672,833.67 = 133,005.74 : x
  2. Step 2: Convert to fraction form
    448,624.94/672,833.67 = 133,005.74/x
  3. Step 3: Cross multiply
    448,624.94x = 672,833.67 × 133,005.74
  4. Step 4: Simplify right side
    448,624.94x = 89,490,740,175.27
  5. Step 5: Solve for x
    x = 89,490,740,175.27/448,624.94
  6. Step 6: Final answer
    x = 199,477.85

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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.