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Finding the Fourth Proportional to 317,103.42, 437,599.59 and 173,863.11

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Solution

The fourth proportional to 317,103.42, 437,599.59 and 173,863.11 is: 239,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,103.42 : 437,599.59 = 173,863.11 : x
  2. Step 2: Convert to fraction form
    317,103.42/437,599.59 = 173,863.11/x
  3. Step 3: Cross multiply
    317,103.42x = 437,599.59 × 173,863.11
  4. Step 4: Simplify right side
    317,103.42x = 76,082,425,652.12
  5. Step 5: Solve for x
    x = 76,082,425,652.12/317,103.42
  6. Step 6: Final answer
    x = 239,929.38

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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.