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Finding the Fourth Proportional to 658,342.35, 908,586.33 and 371,880.89

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Solution

The fourth proportional to 658,342.35, 908,586.33 and 371,880.89 is: 513,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,342.35 : 908,586.33 = 371,880.89 : x
  2. Step 2: Convert to fraction form
    658,342.35/908,586.33 = 371,880.89/x
  3. Step 3: Cross multiply
    658,342.35x = 908,586.33 × 371,880.89
  4. Step 4: Simplify right side
    658,342.35x = 337,885,893,042.23
  5. Step 5: Solve for x
    x = 337,885,893,042.23/658,342.35
  6. Step 6: Final answer
    x = 513,237.37

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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.