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Finding the Fourth Proportional to 412,151.20, 618,226.80 and 175,501.60

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Solution

The fourth proportional to 412,151.20, 618,226.80 and 175,501.60 is: 263,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,151.20 : 618,226.80 = 175,501.60 : x
  2. Step 2: Convert to fraction form
    412,151.20/618,226.80 = 175,501.60/x
  3. Step 3: Cross multiply
    412,151.20x = 618,226.80 × 175,501.60
  4. Step 4: Simplify right side
    412,151.20x = 108,499,792,562.88
  5. Step 5: Solve for x
    x = 108,499,792,562.88/412,151.20
  6. Step 6: Final answer
    x = 263,252.40

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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.