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Finding the Fourth Proportional to 362,543.40, 500,381.10 and 231,636.96

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Solution

The fourth proportional to 362,543.40, 500,381.10 and 231,636.96 is: 319,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,543.40 : 500,381.10 = 231,636.96 : x
  2. Step 2: Convert to fraction form
    362,543.40/500,381.10 = 231,636.96/x
  3. Step 3: Cross multiply
    362,543.40x = 500,381.10 × 231,636.96
  4. Step 4: Simplify right side
    362,543.40x = 115,906,756,845.46
  5. Step 5: Solve for x
    x = 115,906,756,845.46/362,543.40
  6. Step 6: Final answer
    x = 319,704.50

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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.