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Finding the Fourth Proportional to 317,446.28, 476,197.38 and 117,768.80

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Solution

The fourth proportional to 317,446.28, 476,197.38 and 117,768.80 is: 176,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,446.28 : 476,197.38 = 117,768.80 : x
  2. Step 2: Convert to fraction form
    317,446.28/476,197.38 = 117,768.80/x
  3. Step 3: Cross multiply
    317,446.28x = 476,197.38 × 117,768.80
  4. Step 4: Simplify right side
    317,446.28x = 56,081,194,005.74
  5. Step 5: Solve for x
    x = 56,081,194,005.74/317,446.28
  6. Step 6: Final answer
    x = 176,663.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.