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Finding the Fourth Proportional to 448,411.34, 672,502.10 and 132,794.44

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Solution

The fourth proportional to 448,411.34, 672,502.10 and 132,794.44 is: 199,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,411.34 : 672,502.10 = 132,794.44 : x
  2. Step 2: Convert to fraction form
    448,411.34/672,502.10 = 132,794.44/x
  3. Step 3: Cross multiply
    448,411.34x = 672,502.10 × 132,794.44
  4. Step 4: Simplify right side
    448,411.34x = 89,304,537,423.10
  5. Step 5: Solve for x
    x = 89,304,537,423.10/448,411.34
  6. Step 6: Final answer
    x = 199,157.62

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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.