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Finding the Fourth Proportional to 421,662.33, 632,701.31 and 197,038.26

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Solution

The fourth proportional to 421,662.33, 632,701.31 and 197,038.26 is: 295,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,662.33 : 632,701.31 = 197,038.26 : x
  2. Step 2: Convert to fraction form
    421,662.33/632,701.31 = 197,038.26/x
  3. Step 3: Cross multiply
    421,662.33x = 632,701.31 × 197,038.26
  4. Step 4: Simplify right side
    421,662.33x = 124,666,364,236.93
  5. Step 5: Solve for x
    x = 124,666,364,236.93/421,662.33
  6. Step 6: Final answer
    x = 295,654.50

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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.