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Finding the Fourth Proportional to 317,571.46, 476,450.76 and 127,934.24

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Solution

The fourth proportional to 317,571.46, 476,450.76 and 127,934.24 is: 191,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,571.46 : 476,450.76 = 127,934.24 : x
  2. Step 2: Convert to fraction form
    317,571.46/476,450.76 = 127,934.24/x
  3. Step 3: Cross multiply
    317,571.46x = 476,450.76 × 127,934.24
  4. Step 4: Simplify right side
    317,571.46x = 60,954,365,878.02
  5. Step 5: Solve for x
    x = 60,954,365,878.02/317,571.46
  6. Step 6: Final answer
    x = 191,939.05

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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.