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Finding the Fourth Proportional to 448,364.32, 672,079.30 and 195,576.89

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Solution

The fourth proportional to 448,364.32, 672,079.30 and 195,576.89 is: 293,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,364.32 : 672,079.30 = 195,576.89 : x
  2. Step 2: Convert to fraction form
    448,364.32/672,079.30 = 195,576.89/x
  3. Step 3: Cross multiply
    448,364.32x = 672,079.30 × 195,576.89
  4. Step 4: Simplify right side
    448,364.32x = 131,443,175,478.04
  5. Step 5: Solve for x
    x = 131,443,175,478.04/448,364.32
  6. Step 6: Final answer
    x = 293,161.54

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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.