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Finding the Fourth Proportional to 400,353.59, 600,247.44 and 186,895.55

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Solution

The fourth proportional to 400,353.59, 600,247.44 and 186,895.55 is: 280,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,353.59 : 600,247.44 = 186,895.55 : x
  2. Step 2: Convert to fraction form
    400,353.59/600,247.44 = 186,895.55/x
  3. Step 3: Cross multiply
    400,353.59x = 600,247.44 × 186,895.55
  4. Step 4: Simplify right side
    400,353.59x = 112,183,576,409.87
  5. Step 5: Solve for x
    x = 112,183,576,409.87/400,353.59
  6. Step 6: Final answer
    x = 280,211.24

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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.