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Finding the Fourth Proportional to 632,071.99, 948,239.21 and 211,336.93

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Solution

The fourth proportional to 632,071.99, 948,239.21 and 211,336.93 is: 317,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,071.99 : 948,239.21 = 211,336.93 : x
  2. Step 2: Convert to fraction form
    632,071.99/948,239.21 = 211,336.93/x
  3. Step 3: Cross multiply
    632,071.99x = 948,239.21 × 211,336.93
  4. Step 4: Simplify right side
    632,071.99x = 200,397,962,490.34
  5. Step 5: Solve for x
    x = 200,397,962,490.34/632,071.99
  6. Step 6: Final answer
    x = 317,049.27

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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.