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Finding the Fourth Proportional to 400,406.76, 600,777.54 and 175,651.20

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Solution

The fourth proportional to 400,406.76, 600,777.54 and 175,651.20 is: 263,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,406.76 : 600,777.54 = 175,651.20 : x
  2. Step 2: Convert to fraction form
    400,406.76/600,777.54 = 175,651.20/x
  3. Step 3: Cross multiply
    400,406.76x = 600,777.54 × 175,651.20
  4. Step 4: Simplify right side
    400,406.76x = 105,527,295,834.05
  5. Step 5: Solve for x
    x = 105,527,295,834.05/400,406.76
  6. Step 6: Final answer
    x = 263,550.24

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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.