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Finding the Fourth Proportional to 658,363.41, 908,615.46 and 371,901.96

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Solution

The fourth proportional to 658,363.41, 908,615.46 and 371,901.96 is: 513,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,363.41 : 908,615.46 = 371,901.96 : x
  2. Step 2: Convert to fraction form
    658,363.41/908,615.46 = 371,901.96/x
  3. Step 3: Cross multiply
    658,363.41x = 908,615.46 × 371,901.96
  4. Step 4: Simplify right side
    658,363.41x = 337,915,870,460.30
  5. Step 5: Solve for x
    x = 337,915,870,460.30/658,363.41
  6. Step 6: Final answer
    x = 513,266.48

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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.