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Finding the Fourth Proportional to 444,861.80, 668,847.90 and 435,530.60

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Solution

The fourth proportional to 444,861.80, 668,847.90 and 435,530.60 is: 654,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,861.80 : 668,847.90 = 435,530.60 : x
  2. Step 2: Convert to fraction form
    444,861.80/668,847.90 = 435,530.60/x
  3. Step 3: Cross multiply
    444,861.80x = 668,847.90 × 435,530.60
  4. Step 4: Simplify right side
    444,861.80x = 291,303,727,195.74
  5. Step 5: Solve for x
    x = 291,303,727,195.74/444,861.80
  6. Step 6: Final answer
    x = 654,818.48

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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.