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Finding the Fourth Proportional to 632,597.85, 947,847.02 and 445,215.69

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Solution

The fourth proportional to 632,597.85, 947,847.02 and 445,215.69 is: 667,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,597.85 : 947,847.02 = 445,215.69 : x
  2. Step 2: Convert to fraction form
    632,597.85/947,847.02 = 445,215.69/x
  3. Step 3: Cross multiply
    632,597.85x = 947,847.02 × 445,215.69
  4. Step 4: Simplify right side
    632,597.85x = 421,996,362,797.67
  5. Step 5: Solve for x
    x = 421,996,362,797.67/632,597.85
  6. Step 6: Final answer
    x = 667,084.72

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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.