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Finding the Fourth Proportional to 421,955.96, 632,737.14 and 244,513.88

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Solution

The fourth proportional to 421,955.96, 632,737.14 and 244,513.88 is: 366,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,955.96 : 632,737.14 = 244,513.88 : x
  2. Step 2: Convert to fraction form
    421,955.96/632,737.14 = 244,513.88/x
  3. Step 3: Cross multiply
    421,955.96x = 632,737.14 × 244,513.88
  4. Step 4: Simplify right side
    421,955.96x = 154,713,013,121.50
  5. Step 5: Solve for x
    x = 154,713,013,121.50/421,955.96
  6. Step 6: Final answer
    x = 366,656.78

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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.