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Finding the Fourth Proportional to 317,095.70, 437,596.36 and 173,855.43

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Solution

The fourth proportional to 317,095.70, 437,596.36 and 173,855.43 is: 239,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,095.70 : 437,596.36 = 173,855.43 : x
  2. Step 2: Convert to fraction form
    317,095.70/437,596.36 = 173,855.43/x
  3. Step 3: Cross multiply
    317,095.70x = 437,596.36 × 173,855.43
  4. Step 4: Simplify right side
    317,095.70x = 76,078,502,899.60
  5. Step 5: Solve for x
    x = 76,078,502,899.60/317,095.70
  6. Step 6: Final answer
    x = 239,922.85

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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.