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Finding the Fourth Proportional to 658,221.93, 908,296.07 and 371,771.37

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Solution

The fourth proportional to 658,221.93, 908,296.07 and 371,771.37 is: 513,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,221.93 : 908,296.07 = 371,771.37 : x
  2. Step 2: Convert to fraction form
    658,221.93/908,296.07 = 371,771.37/x
  3. Step 3: Cross multiply
    658,221.93x = 908,296.07 × 371,771.37
  4. Step 4: Simplify right side
    658,221.93x = 337,678,472,450.66
  5. Step 5: Solve for x
    x = 337,678,472,450.66/658,221.93
  6. Step 6: Final answer
    x = 513,016.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.