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Finding the Fourth Proportional to 632,590.98, 947,836.70 and 445,208.82

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Solution

The fourth proportional to 632,590.98, 947,836.70 and 445,208.82 is: 667,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,590.98 : 947,836.70 = 445,208.82 : x
  2. Step 2: Convert to fraction form
    632,590.98/947,836.70 = 445,208.82/x
  3. Step 3: Cross multiply
    632,590.98x = 947,836.70 × 445,208.82
  4. Step 4: Simplify right side
    632,590.98x = 421,985,258,759.69
  5. Step 5: Solve for x
    x = 421,985,258,759.69/632,590.98
  6. Step 6: Final answer
    x = 667,074.42

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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.