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Finding the Fourth Proportional to 492,350.40, 738,525.60 and 460,857.60

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Solution

The fourth proportional to 492,350.40, 738,525.60 and 460,857.60 is: 691,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,350.40 : 738,525.60 = 460,857.60 : x
  2. Step 2: Convert to fraction form
    492,350.40/738,525.60 = 460,857.60/x
  3. Step 3: Cross multiply
    492,350.40x = 738,525.60 × 460,857.60
  4. Step 4: Simplify right side
    492,350.40x = 340,355,135,554.56
  5. Step 5: Solve for x
    x = 340,355,135,554.56/492,350.40
  6. Step 6: Final answer
    x = 691,286.40

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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.