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Finding the Fourth Proportional to 400,323.06, 600,550.20 and 189,846.18

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Solution

The fourth proportional to 400,323.06, 600,550.20 and 189,846.18 is: 284,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,323.06 : 600,550.20 = 189,846.18 : x
  2. Step 2: Convert to fraction form
    400,323.06/600,550.20 = 189,846.18/x
  3. Step 3: Cross multiply
    400,323.06x = 600,550.20 × 189,846.18
  4. Step 4: Simplify right side
    400,323.06x = 114,012,161,368.24
  5. Step 5: Solve for x
    x = 114,012,161,368.24/400,323.06
  6. Step 6: Final answer
    x = 284,800.38

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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.