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Finding the Fourth Proportional to 317,103.35, 437,599.28 and 173,863.04

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Solution

The fourth proportional to 317,103.35, 437,599.28 and 173,863.04 is: 239,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,103.35 : 437,599.28 = 173,863.04 : x
  2. Step 2: Convert to fraction form
    317,103.35/437,599.28 = 173,863.04/x
  3. Step 3: Cross multiply
    317,103.35x = 437,599.28 × 173,863.04
  4. Step 4: Simplify right side
    317,103.35x = 76,082,339,369.27
  5. Step 5: Solve for x
    x = 76,082,339,369.27/317,103.35
  6. Step 6: Final answer
    x = 239,929.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.