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Finding the Fourth Proportional to 408,329.40, 612,056.70 and 183,651.60

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Solution

The fourth proportional to 408,329.40, 612,056.70 and 183,651.60 is: 275,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,329.40 : 612,056.70 = 183,651.60 : x
  2. Step 2: Convert to fraction form
    408,329.40/612,056.70 = 183,651.60/x
  3. Step 3: Cross multiply
    408,329.40x = 612,056.70 × 183,651.60
  4. Step 4: Simplify right side
    408,329.40x = 112,405,192,245.72
  5. Step 5: Solve for x
    x = 112,405,192,245.72/408,329.40
  6. Step 6: Final answer
    x = 275,280.67

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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.