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Finding the Fourth Proportional to 317,622.75, 476,434.13 and 96,006.75

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Solution

The fourth proportional to 317,622.75, 476,434.13 and 96,006.75 is: 144,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,622.75 : 476,434.13 = 96,006.75 : x
  2. Step 2: Convert to fraction form
    317,622.75/476,434.13 = 96,006.75/x
  3. Step 3: Cross multiply
    317,622.75x = 476,434.13 × 96,006.75
  4. Step 4: Simplify right side
    317,622.75x = 45,740,891,930.34
  5. Step 5: Solve for x
    x = 45,740,891,930.34/317,622.75
  6. Step 6: Final answer
    x = 144,010.13

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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.