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Finding the Fourth Proportional to 317,219.60, 475,894.20 and 106,878.80

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Solution

The fourth proportional to 317,219.60, 475,894.20 and 106,878.80 is: 160,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,219.60 : 475,894.20 = 106,878.80 : x
  2. Step 2: Convert to fraction form
    317,219.60/475,894.20 = 106,878.80/x
  3. Step 3: Cross multiply
    317,219.60x = 475,894.20 × 106,878.80
  4. Step 4: Simplify right side
    317,219.60x = 50,863,001,022.96
  5. Step 5: Solve for x
    x = 50,863,001,022.96/317,219.60
  6. Step 6: Final answer
    x = 160,340.03

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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.