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Finding the Fourth Proportional to 317,069.44, 437,555.72 and 173,826.42

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Solution

The fourth proportional to 317,069.44, 437,555.72 and 173,826.42 is: 239,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,069.44 : 437,555.72 = 173,826.42 : x
  2. Step 2: Convert to fraction form
    317,069.44/437,555.72 = 173,826.42/x
  3. Step 3: Cross multiply
    317,069.44x = 437,555.72 × 173,826.42
  4. Step 4: Simplify right side
    317,069.44x = 76,058,744,358.12
  5. Step 5: Solve for x
    x = 76,058,744,358.12/317,069.44
  6. Step 6: Final answer
    x = 239,880.40

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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.