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Finding the Fourth Proportional to 484,807.40, 727,211.10 and 295,850.60

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Solution

The fourth proportional to 484,807.40, 727,211.10 and 295,850.60 is: 443,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,807.40 : 727,211.10 = 295,850.60 : x
  2. Step 2: Convert to fraction form
    484,807.40/727,211.10 = 295,850.60/x
  3. Step 3: Cross multiply
    484,807.40x = 727,211.10 × 295,850.60
  4. Step 4: Simplify right side
    484,807.40x = 215,145,840,261.66
  5. Step 5: Solve for x
    x = 215,145,840,261.66/484,807.40
  6. Step 6: Final answer
    x = 443,775.90

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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.