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Finding the Fourth Proportional to 448,156.52, 672,339.66 and 178,299.94

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Solution

The fourth proportional to 448,156.52, 672,339.66 and 178,299.94 is: 267,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,156.52 : 672,339.66 = 178,299.94 : x
  2. Step 2: Convert to fraction form
    448,156.52/672,339.66 = 178,299.94/x
  3. Step 3: Cross multiply
    448,156.52x = 672,339.66 × 178,299.94
  4. Step 4: Simplify right side
    448,156.52x = 119,878,117,675.92
  5. Step 5: Solve for x
    x = 119,878,117,675.92/448,156.52
  6. Step 6: Final answer
    x = 267,491.63

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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.