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Finding the Fourth Proportional to 317,098.56, 437,595.87 and 173,855.55

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Solution

The fourth proportional to 317,098.56, 437,595.87 and 173,855.55 is: 239,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,098.56 : 437,595.87 = 173,855.55 : x
  2. Step 2: Convert to fraction form
    317,098.56/437,595.87 = 173,855.55/x
  3. Step 3: Cross multiply
    317,098.56x = 437,595.87 × 173,855.55
  4. Step 4: Simplify right side
    317,098.56x = 76,078,470,656.58
  5. Step 5: Solve for x
    x = 76,078,470,656.58/317,098.56
  6. Step 6: Final answer
    x = 239,920.58

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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.