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Finding the Fourth Proportional to 317,101.42, 437,596.84 and 173,861.12

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Solution

The fourth proportional to 317,101.42, 437,596.84 and 173,861.12 is: 239,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,101.42 : 437,596.84 = 173,861.12 : x
  2. Step 2: Convert to fraction form
    317,101.42/437,596.84 = 173,861.12/x
  3. Step 3: Cross multiply
    317,101.42x = 437,596.84 × 173,861.12
  4. Step 4: Simplify right side
    317,101.42x = 76,081,076,710.86
  5. Step 5: Solve for x
    x = 76,081,076,710.86/317,101.42
  6. Step 6: Final answer
    x = 239,926.64

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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.